12Th European Simulation Symposium (Ess 2000), Date: SEP 28-30, 2000, Location: HAMBURG, GERMANY, Sponsors: Soc Comp Simulat Int, ASIM, Arbeitsgemeinsch Simulat, Chinese Assoc Syst Simulat, Czech & Slovak Simulat Soc, Federat European Simulat Soc, Hungarian Simulat Soc, Japan Soc Simulat Technol, Latvian Simulat Soc, Turkish Simulat Soc, Host: UNIV HAMBURG