Floyd R. Watson

Phys. Rev. (Series I) 12, 257 (1901) - Published 1 May, 1901

John O. Reed

Phys. Rev. (Series I) 12, 279 (1901) - Published 1 May, 1901

J. Larmor.

Phys. Rev. (Series I) 12, 292 (1901) - Published 1 May, 1901

Phys. Rev. (Series I) 12, 314 (1901) - Published 1 May, 1901