Henry S. Carhart
Phys. Rev. (Series I) 12, 129 (1901) - Published 1 March, 1901
C. D. Child
Phys. Rev. (Series I) 12, 137 (1901) - Published 1 March, 1901
B. E. Moore
Phys. Rev. (Series I) 12, 151 (1901) - Published 1 March, 1901
Carl Kinsley
Phys. Rev. (Series I) 12, 177 (1901) - Published 1 March, 1901
A. S. Langsdorf
Phys. Rev. (Series I) 12, 184 (1901) - Published 1 March, 1901
