Frank Allen
Phys. Rev. (Series I) 15, 193 (1902) - Published 1 October, 1902
E. R. Drew
Phys. Rev. (Series I) 15, 226 (1902) - Published 1 October, 1902
Geo. E. Poucher
Phys. Rev. (Series I) 15, 233 (1902) - Published 1 October, 1902
W. Walter Dinwiddie
Phys. Rev. (Series I) 15, 237 (1902) - Published 1 October, 1902
J. S. Shearer
Phys. Rev. (Series I) 15, 243 (1902) - Published 1 October, 1902