R. Clark Jones and W. H. Furry

Rev. Mod. Phys. 18, 151 (1946) - Published 1 April, 1946

N. N. Das Gupta and S. K. Ghosh

Rev. Mod. Phys. 18, 225 (1946) - Published 1 April, 1946

P. W. Bridgman

Rev. Mod. Phys. 18, 291 (1946) - Published 1 April, 1946