Thomas H. Johnson

Rev. Mod. Phys. 10, 193 (1938) - Published 1 October, 1938

J. W. Beams

Rev. Mod. Phys. 10, 245 (1938) - Published 1 October, 1938

Walter Bartky

Rev. Mod. Phys. 10, 264 (1938) - Published 1 October, 1938