Geo. W. Patterson, Jr. and Karl E. Guthe
Phys. Rev. (Series I) 7, 257 (1898) - Published 1 December, 1898
Henry T. Eddy, Edward W. Morley, and Dayton C. Miller
Phys. Rev. (Series I) 7, 283 (1898) - Published 1 December, 1898
Ervin S. Ferry
Phys. Rev. (Series I) 7, 296 (1898) - Published 1 December, 1898
