H. M. Goodwin and Frederick W. Grover

Phys. Rev. (Series I) 11, 193 (1900) - Published 1 October, 1900

Edward L. Nichols

Phys. Rev. (Series I) 11, 215 (1900) - Published 1 October, 1900

Ernest Merritt and Oscar M. Stewart

Phys. Rev. (Series I) 11, 230 (1900) - Published 1 October, 1900

Wm S. Day

Phys. Rev. (Series I) 11, 251 (1900) - Published 1 October, 1900

N. H. Williams

Phys. Rev. (Series I) 11, 255 (1900) - Published 1 October, 1900