Walter P. White

Phys. Rev. (Series I) 23, 449 (1906) - Published 1 December, 1906

A. Trowbridge and A. H. Taylor

Phys. Rev. (Series I) 23, 475 (1906) - Published 1 December, 1906

L. R. Ingersoll

Phys. Rev. (Series I) 23, 489 (1906) - Published 1 December, 1906

Bruce V. Hill

Phys. Rev. (Series I) 23, 498 (1906) - Published 1 December, 1906

Roy T. Wells

Phys. Rev. (Series I) 23, 504 (1906) - Published 1 December, 1906

Phys. Rev. (Series I) 23, 507 (1906) - Published 1 December, 1906