C. W. Waidner and G. K. Burgess
Phys. Rev. (Series I) 19, 241 (1904) - Published 1 October, 1904
W. P. Bradley, A. W. Browne, and C. F. Hale
Phys. Rev. (Series I) 19, 258 (1904) - Published 1 October, 1904
A. H. Taylor
Phys. Rev. (Series I) 19, 273 (1904) - Published 1 October, 1904
Paul R. Heyl
Phys. Rev. (Series I) 19, 281 (1904) - Published 1 October, 1904
Arthur W. Gray
Phys. Rev. (Series I) 19, 293 (1904) - Published 1 October, 1904
