Download or read book Th ses pr sent es la Facult des sciences de l Universit de Paris pour obtenir le grade de docteur s sciences physiques par Marguerite Perey 1re th se l El ment 87 actinium K written by Marguerite Perey and published by Publication de la Société de chimie physique. This book was released on 1946 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: