Proceedings of the Joint International Lepton-Photon Symposium & Europhysics Conference on High Energy Physics, Geneva, Switzerland, 25 July-1 August 1991 : vol. 2, Plenary sessions / editors, S. Hegarty, K. Potter, and E. Quercigh. Proceedings of the Joint International Lepton-Photon Symposium & Europhysics Conference on High Energy Physics Joint International Lepton-Photon Symposium & Europhysics Conference on High Energy Physics (1991 : Geneva, Switzerland) Hegarty, S. Potter, K. Quercigh, E. European Physical Society. International Union of Pure and Applied Physics. European Council for Nuclear Research. Particles (Nuclear physics) Congresses. Nuclear reactions Congresses. Standard model (Nuclear physics) Congresses. Nuclear physics Technique Congresses. QC793 .J66 1991 539.76 20 INP Includes bibliographical references. Singapore ; World Scientific, c1992. c1992. 1992 Text v. : eng