Arthur Whitmore Smith
Phys. Rev. (Series I) 25, 145 (1907) - Published 1 September, 1907
William Francis Magie
Phys. Rev. (Series I) 25, 171 (1907) - Published 1 September, 1907
K. Ogura and C. P. Steinmetz
Phys. Rev. (Series I) 25, 184 (1907) - Published 1 September, 1907
Charles A. Culver
Phys. Rev. (Series I) 25, 200 (1907) - Published 1 September, 1907
