Ernest Merritt and Samuel J. Barnett
Phys. Rev. (Series I) 10, 65 (1900) - Published 1 February, 1900
Knut Ångström
Phys. Rev. (Series I) 10, 74 (1900) - Published 1 February, 1900
Reginald Aubrey Fessenden
Phys. Rev. (Series I) 10, 83 (1900) - Published 1 February, 1900
K. Tsuruta.
Phys. Rev. (Series I) 10, 116 (1900) - Published 1 February, 1900
W. J. Humphreys
Phys. Rev. (Series I) 10, 123 (1900) - Published 1 February, 1900
