Bergen Davis and F. S. Goucher
Phys. Rev. 13, 1 (1919) - Published 1 January, 1919
Kôtarô Honda and Junzô Ôkubo
Phys. Rev. 13, 6 (1919) - Published 1 January, 1919
Chandi Prasad
Phys. Rev. 13, 27 (1919) - Published 1 January, 1919
Megh Nad Saha
Phys. Rev. 13, 34 (1919) - Published 1 January, 1919
Edward P. Hyde, W. E. Forsythe, and F. E. Cady
Phys. Rev. 13, 45 (1919) - Published 1 January, 1919
Paul D. Foote, O. Rognley, and F. L. Mohler
Phys. Rev. 13, 59 (1919) - Published 1 January, 1919
Benjamin Allen Wooten
Phys. Rev. 13, 71 (1919) - Published 1 January, 1919