H. M. Goodwin and R. Haskell
Phys. Rev. (Series I) 19, 369 (1904) - Published 1 December, 1904
W. P. Bradley and C. F. Hale
Phys. Rev. (Series I) 19, 387 (1904) - Published 1 December, 1904
E. L. Nichols and Ernest Merritt
Phys. Rev. (Series I) 19, 396 (1904) - Published 1 December, 1904
C. W. Waidner and G. K. Burgess
Phys. Rev. (Series I) 19, 422 (1904) - Published 1 December, 1904
Leon W. Hartman
Phys. Rev. (Series I) 19, 452 (1904) - Published 1 December, 1904
Phys. Rev. (Series I) 19, 456 (1904) - Published 1 December, 1904
