Louise S. McDowell
Phys. Rev. (Series I) 29, 1 (1909) - Published 1 July, 1909
H. S. Uhler
Phys. Rev. (Series I) 29, 37 (1909) - Published 1 July, 1909
George W. Pierce
Phys. Rev. (Series I) 29, 56 (1909) - Published 1 July, 1909
F. K. Richtmyer
Phys. Rev. (Series I) 29, 71 (1909) - Published 1 July, 1909