2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48215Relativistic heavy ion collisions are studied taking the exact conservation of baryon number, strangeness and charge explicitly into account.Presented at the 11th Chris Engelbrecht Summer School in Theoretical Physics, ``Hadrosynthesis and Hadrons in Dense Matter'', Cape Town 4-13 February 1998, (to be published). 14 pages, 4 figuresHigh Energy Physics - Phenomenologytext