Download or read book Ullmann s Encyclopedia of Industrial Chemistry Complete Set Part A Part B and Index 37 Volumes written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1997-10-23 with total page 25566 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Complete Set Part A Part B and Index 37 Volumes written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1997-10-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Unit Operations II written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1988-12-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Fibers 5 Synthetic Inorganic to Formaldehyde written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1988-10-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Principles of Chemical Reaction Engineering and Plant Design written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1992-11-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Surgical Materials to Thiourea and Thiourea Derivatives written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1995-06-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Unit Operations II written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1988-12-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Unit Operations I written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1988-12-20 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Abrasives to Aluminum Oxide written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1984-12-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Analytical Methods II and Process Control Engineering written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1994-07-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Unit Operations I written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1988-12-20 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Unit Operations I written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1988-12-20 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Complete Set Part A Part B and Index 37 Volumes written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1997-10-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry High Performance Fibers to Imidazole and Derivatives written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1989-12-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Complete Set Part A Part B and Index 37 Volumes written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1997-10-23 with total page 25566 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Ullmann s Encyclopedia of Industrial Chemistry written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1999-01-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The printed Fifth Edition of Ullmann's 37 volumes is divided into two series to provide information on chemicals and processes and comprehensive introductions to broad areas of knowledge. The 28 volumes in the 'A' series contain alphabetically arranged articles. The eight volumes in the 'B' series provide an in-depth treatment of the basics, ranging from theoretical principles and the fundamentals of chemical engineering, to the practical knowledge needed for unit operations, reactor design plant construction, and plant safety. All printed volumes maintain the excellent quality of editing, layout and reproduction you have come to rely on.

Download or read book Ullmann s Encyclopedia of Industrial Chemistry Ceramics to Chlorohydrins written by Hans-Jürgen Arpe and published by Wiley-VCH. This book was released on 1986-12-17 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of around 3,000 first-class authors. The Fifth Edition, now available in print as a complete set, is a monumental reference work containing about 1,000 major articles, more than 16 million words, 30,000 figures, 10,000 tables, and innumerable references to further sources of information. Ullmann's users worldwide testify that this superb encyclopedia contains the most complete and up-to-date coverage of chemical technology currently available, including economic aspects, production, transportation, and toxicology. Ullmann's is unsurpassed in terms of organization and presentation. The encyclopedia consists of 37 volumes: 28 "A" volumes, 8 "B" volumes, and one cumulative Index volume. Volumes A1 - A28 contain alphabetically ordered articles on industrial chemicals, product groups, and production processes. Volumes B1 - B8 describe in detail the principles of chemical engineering, new and proven analytical methods, and the essentials of environmental protection technology. "This is a major work, which will prove immensely valuable to institutions and authorities related to the chemical industry." - Chemistry & Industry "...no science or engineering library should be without it." - Angewandte Chemie "Ullmann's might well be preferred...because of its many convenience features and excellent organisation." - Chemical Engineering