L. Holborn and L. W. Austin

Phys. Rev. (Series I) 21, 209 (1905) - Published 1 October, 1905

O. M. Stewart

Phys. Rev. (Series I) 21, 229 (1905) - Published 1 October, 1905

Edward L. Nichols and Ernest Merritt

Phys. Rev. (Series I) 21, 247 (1905) - Published 1 October, 1905

Frederick E. Kester

Phys. Rev. (Series I) 21, 260 (1905) - Published 1 October, 1905