Elementary particle physics - Barut, A. O. (Asim Orhan), 1926-; Brittin, Wesley E.; Mahanthappa, Kalayana T. (Gordon and Breach Science Publishers, 1969)
The volumes XI-A, Part I and II form the Proccedings of the Fifth Boulder Conference on Particle Physics which was held during the first part of the Eleventh Boulder Summer Institute for Theoretical Physics