Symmetries in elementary particle physics / Editor: A. Zichichi. Contributors: J. Ashkin [and others]. International School of Physics "Ettore Majorana" (1964 : Erice, Italy) Zichichi, Antonino, ed. European Organization for Nuclear Research. Particles (Nuclear physics) Symmetry (Physics) QC721 .I578 1964 539.73 ZIS "Sponsored by the European Organization for Nuclear Research (CERN), the Italian Ministry of Public Education (MPI) and the North Atlantic Treaty Organization (NATO)" Includes bibliographies. New York : Academic Press, c1965. c1965. 1965 Text xii, 429 p. : eng