Samuel Sheldon, H. W. Leitch, and A. N. Shaw
Phys. Rev. (Series I) 2, 401 (1895) - Published 1 May, 1895
R. W. Quick, C. D. Child, and B. S. Lanphear
Phys. Rev. (Series I) 2, 412 (1895) - Published 1 May, 1895
Ernest Merritt
Phys. Rev. (Series I) 2, 424 (1895) - Published 1 May, 1895
Frederick Bedell and Albert C. Crehore
Phys. Rev. (Series I) 2, 442 (1895) - Published 1 May, 1895
L. A. Bauer
Phys. Rev. (Series I) 2, 455 (1895) - Published 1 May, 1895
