Albert W. Hull and Wheeler P. Davey
Phys. Rev. 17, 549 (1921) - Published 1 May, 1921
Albert W. Hull
Phys. Rev. 17, 571 (1921) - Published 1 May, 1921
Raymond T. Birge
Phys. Rev. 17, 589 (1921) - Published 1 May, 1921
Bergen Davis and W. M. Stempel
Phys. Rev. 17, 608 (1921) - Published 1 May, 1921
K. W. Lamson
Phys. Rev. 17, 624 (1921) - Published 1 May, 1921
Carleton C. Murdock
Phys. Rev. 17, 626 (1921) - Published 1 May, 1921
