H. Pender and R. L. Jones

Phys. Rev. 1, 259 (1913) - Published 1 April, 1913

J. G. Kemp

Phys. Rev. 1, 274 (1913) - Published 1 April, 1913

R. W. and R. C. Duncan.

Phys. Rev. 1, 294 (1913) - Published 1 April, 1913

G. W. Stewart and Harold Stiles.

Phys. Rev. 1, 309 (1913) - Published 1 April, 1913

Geo. R. Dean

Phys. Rev. 1, 316 (1913) - Published 1 April, 1913

A. H. Taylor

Phys. Rev. 1, 321 (1913) - Published 1 April, 1913

Phys. Rev. 1, 326 (1913) - Published 1 April, 1913