Rev. Mod. Phys. 17, 157 (1945) R. P. Feynman, Phys. Rev.74, 1430 (1948)
Omitted endnote
A. Einstein, The Meaning of Relativity (Princeton University Press, Princeton, New Jersey, 1945), second edition, p. 82
Niels Bohr, Atomic Theory and the Description of Nature (Cambridge University Press, 1934) Bohr in Einstein, of the Living Philosophers Series (Northwestern University, scheduled for 1949)
K. Schwarzschild, Göttinger Nachrichten, 128, 132 (1903)
H. Tetrode, Zeits. f. Physik10, 317 (1922)
A. D. Fokker, Zeits. f. Physik58, 386 (1929) Physica9, 33 (1929) ibid.12, 145 (1932)
Omitted endnote
A. O'Rahilly, Electromagnetics (Longmans, Green and Company, New York (1938) J. J. Thomson, Report of the British Assn. for the Adv. of Science for 1885, p. 97 J. C. Maxwell, Electricity and Magnetism (Oxford University Press, London, 1892), third edition, Chapter 23) R. Reif and A. Sommerfeld, Encyclopädie der Math. Wiss. 5, Part 2, Section 12 (1902) H. J. Groenewold, report on Puntladingen en stralingsveld, Ned. Nat. Ver., Amsterdam (May 1947) M. Schönberg Phys. Rev.74, 738 (1948) Sum. Bras. Math.1, Nos. 5 and 6 (1946) J. L. Lopes and M. Schönberg, Phys. Rev.67, 122 (1945)
C. F. Gauss, Werke 5, 629 (1867)
A. Liénard, L'Éclairage Électrique 16, pp. 5, 53, 106 (1898)
E. Wiechert, Archives Néerland (2) 5, 549 (1900) Ann. d Physik4, 676 (1901) W. Heitler, The Quantum Theory of Radiation (Oxford University Press, New York, 1944), second edition, p. 19 A. Sommerfeld, Ann. d. Physik33, 668 (1910)
Omitted endnote
P. A. M. Dirac, Proc. Roy. Soc. London.A167, 148 (1938)
E. Noether, Göttinger Nachrichten, Math. Phys. Klasse. 235 (1918) E. Bessel-Hagen, Math. Ann.84, 258 (1921)
A. D. Fokker, Zeits. f. Physik58, 386 (1929)
L. Page, Am. J. Phys.13, 141 (1945)
Omitted endnote
J. Frenkel, Zeits. f. Physik32, 518 (1925) J. L. Synge, Trans. Roy. Soc. Canada34, 1 (1940) Proc. Roy. Soc. LondonA177, 118 (1940)
M. H. L. Pryce, Proc. Roy. Soc. London.A168, 398 (1938)