Albert C. Crehore
Phys. Rev. (Series I) 34, 241 (1912) - Published 1 April, 1912
S. R. Williams
Phys. Rev. (Series I) 34, 258 (1912) - Published 1 April, 1912
Y. Laub
Phys. Rev. (Series I) 34, 268 (1912) - Published 1 April, 1912
H. W. Moody
Phys. Rev. (Series I) 34, 275 (1912) - Published 1 April, 1912
S. J. Allen
Phys. Rev. (Series I) 34, 296 (1912) - Published 1 April, 1912
Phys. Rev. (Series I) 34, 311 (1912) - Published 1 April, 1912