1. Paneth, F. A., in collaboration with Gehlen, H., Günther, P. L., Urry, Wm. D., and Koeck, W., Z. Elektrochem., 34, 645 (1928), 36, 727 (1930); NATURE, 125, 490 (1930); Naturwiss., 19, 164 (1931); Z. physikal. Chem., A, 152, 110, 127 (1931); ibid., Bodenstein-Bd. 145 (1931).
2. Loc. cit., pp. 158–59.
3. See Urry, Wm. D., J. Chem. Phys., 4, 40 (1936).
4. Glückauf, E., and Paneth, F. A., Proc. Roy. Soc., A, 165, 229 (1938).
5. cf. Keevil, N. B., Amer. J. Sci., 236, 304 (1938).