P. F. A. Klinkenberg

Rev. Mod. Phys. 24, 63 (1952) - Published 1 April, 1952

Julian Eisenstein

Rev. Mod. Phys. 24, 74 (1952) - Published 1 April, 1952

Charlotte Meaker Davisson and Robley D. Evans

Rev. Mod. Phys. 24, 79 (1952) - Published 1 April, 1952

S. M. Karim and L. Rosenhead

Rev. Mod. Phys. 24, 108 (1952) - Published 1 April, 1952