1. For a review, see e.g. L. Van Hove: Proceedings of the Workshop on Quark Matter Formation and Heavy Ion Collisions, May 10–14, 1982, Bielefeld
2. K. Kajantie: Proceedings of the Workshop on Quark Matter Formation and Heavy Ion Collisions, May 10–14, 1982, Bielefeld
3. J. Cleymans, M. Dechantsreiter, F. Halzen: Z. Phys. C-Particles and Fields17, 341 (1983)
4. J.D. Bjorken: Phys. Rev.D 27, 140 (1983)
5. L. McLerran: Phys. Rep.88, 379 (1982); R. Anishetty, P. Koehler, L. McLerran: Phys. Rev.D 22, 2793 (1980)