Oswald Blackwood.

Phys. Rev. 16, 85 (1920) - Published 1 August, 1920

John Zeleny.

Phys. Rev. 16, 102 (1920) - Published 1 August, 1920

L. R. Ingersoll

Phys. Rev. 16, 126 (1920) - Published 1 August, 1920

E. C. Wente.

Phys. Rev. 16, 133 (1920) - Published 1 August, 1920

Ralph W. G. Wyckoff

Phys. Rev. 16, 149 (1920) - Published 1 August, 1920

Otto Stuhlman, Jr.

Phys. Rev. 16, 158 (1920) - Published 1 August, 1920

G. A. Schott.

Phys. Rev. 16, 162 (1920) - Published 1 August, 1920