J. C. Hubbard
Phys. Rev. (Series I) 22, 129 (1906) - Published 1 March, 1906
George W. Pierce
Phys. Rev. (Series I) 22, 159 (1906) - Published 1 March, 1906
C. J. Lynde
Phys. Rev. (Series I) 22, 181 (1906) - Published 1 March, 1906
Frank Wenner
Phys. Rev. (Series I) 22, 192 (1906) - Published 1 March, 1906
