Edward L. Nichols
Phys. Rev. (Series I) 13, 65 (1901) - Published 1 August, 1901
K. Honda and S. Shimizu
Phys. Rev. (Series I) 13, 81 (1901) - Published 1 August, 1901
William Francis Magie
Phys. Rev. (Series I) 13, 91 (1901) - Published 1 August, 1901
Martin D. Atkins
Phys. Rev. (Series I) 13, 102 (1901) - Published 1 August, 1901