S. J. Barnett

Phys. Rev. 6, 239 (1915) - Published 1 October, 1915

Arthur W. Ewell

Phys. Rev. 6, 271 (1915) - Published 1 October, 1915

E. C. Mayer

Phys. Rev. 6, 283 (1915) - Published 1 October, 1915

J. E. Shrader

Phys. Rev. 6, 292 (1915) - Published 1 October, 1915

Hawley O. Taylor

Phys. Rev. 6, 303 (1915) - Published 1 October, 1915

H. L. Dodge

Phys. Rev. 6, 312 (1915) - Published 1 October, 1915