TY - BOOK AU - Zichichi, A. TI - RECENT DEVELOPMENTS IN PARTICLE SYMMETRIES U1 - 539.721 PY - 1966/// CY - New York PB - Academic Press KW - Particles (Nuclear Physics) -- Congresses KW - Symmetry (Physics) -- Congresses N1 - Includes Bibliographies; Sponsored By The European Organization For Nuclear Research, The Italian Ministry Of Public Education, And The North Atlantic Treaty Organization ER -