Muriel Howorth. Pioneer Research on the Atom: The Life Story of Frederick Soddy. New World Publications, London, 1958.
29
Там же.
30
Ричард П. Бреннан. Heisenberg Probably Slept Here: The Lives, Times and Ideas of the Great Physicists of the 20th Century. J. Wiley, Хобокен, Нью-Джерси, 1997.
