J. E. Shrader and H. M. Ryder
Phys. Rev. 13, 321 (1919) - Published 1 May, 1919
Gladys A. Anslow
Phys. Rev. 13, 326 (1919) - Published 1 May, 1919
H. M. Dadourian
Phys. Rev. 13, 337 (1919) - Published 1 May, 1919
Raymond T. Birge
Phys. Rev. 13, 360 (1919) - Published 1 May, 1919
K. T. Compton and L. W. Ross
Phys. Rev. 13, 374 (1919) - Published 1 May, 1919
