International JINR-CERN School on High Energy Physics. Lectures submitted to "Black Sea Summer School", Varna, Bulgaria, 13-27 June 1971. Vol. 2 (of 2 vols). Preprint: E2-6157.
Additional authors: Logunov, A. A. and | Kofoed-Hansen, O. | Bialas, A. and | Montvay, I. | Pokorski, S.Published by : Joint Inst. for Nuclear Research (Dubna) Year: 1972