1. See, for instance, Predazzi, E.: Rivista del Nuovo Cimento6, 217 (1976)
2. Just as a general indication, see i) Della Negra, M.: Largep ? processes, experiments, Invited talk at the European Conference on Particle Physics, Budapest, July 1977; CERN Preprint EP/PHYS 77-38
3. Ellis, S.D.: The life and times of largep ? physics: diagnosis and prognosis, Invited talk at the American Physical Society meeting, Argonne, October 1977; University of Washington Preprint RLO-1388-745. These two papers contain a large number of previous references
4. See, for a detailed discussion, Jacob, M.: Largep ? Phenomena and Jet Studies, CERN Academic Training Program 1977
5. Gaisser, T.: VII Int. Coll. on Multiparticle Reactions, Tutzing 21?25 June 1977