Bruce V. Hill

Phys. Rev. (Series I) 24, 321 (1907) - Published 1 April, 1907

W. D. Harris

Phys. Rev. (Series I) 24, 337 (1907) - Published 1 April, 1907

A. C. Longden

Phys. Rev. (Series I) 24, 349 (1907) - Published 1 April, 1907

Frances G. Wick

Phys. Rev. (Series I) 24, 356 (1907) - Published 1 April, 1907

Phys. Rev. (Series I) 24, 379 (1907) - Published 1 April, 1907