The theory of fundamental processes : a lecture note volume / Notes corr. by H.T. Yura. Feynman, Richard P. (Richard Phillips), 1918-1988. Quantum theory. Quantum field theory. QC174.1 .F4 530.12 FET Includes Index. Includes bibliography. New York : W.A. Benjamin, c1961. c1961. 1961 Text x, 172 p. : eng Frontiers in physics; a lecture note and reprint series Frontiers in physics.