The electron, its isolation and measurement and the determination of some of its properties

by Robert Andrews Millikan

[153] Spectroscopy of the Extreme Ultraviolet, p. 78.

[154] N. Bohr, Phil. Mag., XXVI (1913), 1 and 476 and 857; XXIX (1915), 332; XXX (1915), 394; Sommerfeld, Atomic Structure and Spectral Lines. New York: Dutton, 1923.

[155] Einstein and De Haas, Verh, der deutsch. phys. Ges., XVII (1915), 152; also Barnett, Phys. Rev., VI (1915), 239; also Epstein, Science, LVII (1923), 532.

[156] R. A. Millikan, Phil. Mag., XXXIV (1917), 1.

[157] R. A. Millikan, Phys. Rev., VII (1916), 362.

[158] Blake and Duane, ibid., (1917), 624.

[159] A. Sommerfeld, Ann. d. Phys., III (1916), 1. Also Paschen, ibid., p. 901.

[160] P. Epstein, ibid., L (1916), 489.

[161] See Phys. Rev., July, 1924.

[162] These appeared in an article by Kramers in Naturwissenschaften, 1923.