George W. Pierce
Phys. Rev. (Series I) 28, 153 (1909) - Published 1 March, 1909
Frederic A. Harvey
Phys. Rev. (Series I) 28, 188 (1909) - Published 1 March, 1909
Roy T. Wells
Phys. Rev. (Series I) 28, 217 (1909) - Published 1 March, 1909
Phys. Rev. (Series I) 28, 221 (1909) - Published 1 March, 1909
Phys. Rev. (Series I) 28, 230 (1909) - Published 1 March, 1909