H. H. Barschall, L. Rosen, R. F. Taschek, and J. H. Williams
Rev. Mod. Phys. 24, 1 (1952) - Published 1 January, 1952
L. Katz and A. S. Penfold
Rev. Mod. Phys. 24, 28 (1952) - Published 1 January, 1952
Taro Kihara
Rev. Mod. Phys. 24, 45 (1952) - Published 1 January, 1952
