F. K. Richtmyer

Phys. Rev. 18, 13 (1921) - Published 1 July, 1921

Albert W. Hull

Phys. Rev. 18, 31 (1921) - Published 1 July, 1921

Leigh Page

Phys. Rev. 18, 58 (1921) - Published 1 July, 1921

Irwin Roman

Phys. Rev. 18, 62 (1921) - Published 1 July, 1921

A. H. Pfund

Phys. Rev. 18, 78 (1921) - Published 1 July, 1921

Phys. Rev. 18, 83 (1921) - Published 1 July, 1921