C. K. Edmunds
Phys. Rev. (Series I) 18, 385 (1904) - Published 1 June, 1904
Edward L. Nichols and Ernest Merritt
Phys. Rev. (Series I) 18, 403 (1904) - Published 1 June, 1904
Frederick G. Reynolds
Phys. Rev. (Series I) 18, 419 (1904) - Published 1 June, 1904
Fannie Cornelia Frisbie
Phys. Rev. (Series I) 18, 432 (1904) - Published 1 June, 1904