High-energy physics and elementary particles : lectures presented at the Seminar on high-energy physics and elementary particles / Contributions by V. De Alfaro [and others] Scientific secretary: C. Fronsdal. Director: Abdus Salam. Seminar on High-Energy Physics and Elementary Particles (1965 : Trieste, Italy) De Alfaro, V. (Vittorio) Salam, Abdus, 1926-1996. International Centre for Theoretical Physics. Particles (Nuclear physics) QC721 .S46 1965 539.173 INH "STI/PUB/117." Introduction in English, French, Russian and Spanish. "Organized by and held at the International Centre for Theoretical Physics." "Corrigendum" slip inserted. Vienna : International Atomic Energy Agency, 1965. 1965. 1965 Text xvii, 1006 p. : eng