434 THE QUANTUM THEORY
LI. F. London, Nature 141, 643 (1938).
L2. , Phys. Rev. 54, 1947 (1938).
Ml. J. Mehra, Biogr. Mem. Fell. Roy. Soc. 21, 117 (1975).
PI. M. Planck, Verh. Deutsch. Phys. Ges. 2, 237 (1900).
P2. W. Pauli, Z. Phys. 31, 625 (1925).
P3. ; z. Phys. 41, 81 (1927).
SI. E. Salaman, Encounter, April 1979, p. 19.
Ul. G. E. Uhlenbeck, 'Over Statistische Methoden in de Theorie der Quanta,' PhD
thesis, Nyhoff, the Hague, 1927.
U2. , Proceedings Einstein Centennial Symposium 1979 (H. Woolf, Ed.). Addison-
Wesley, Reading, Mass., 1980.