9Th European Simulation Symposium (Ess 97), Date: OCT 19-22, 1997, Location: PASSAU, GERMANY, Sponsors: Soc Comp Simulat Int, Simcorp, Syst Modeling Corp, Chinese Assoc Syst Simulat, Czech & Slovak Simulat Soc, European Simulat Council, Federat European Simulat Soc, Hungarian Simulat Soc, Japan Soc Simulat Technol, Latvian Simulat Soc, Polish Simulat Soc, Simulat In Europe ESPRIT Working Grp, Turkish Simulat Soc, Host: UNIV PASSAU, FAC MATH & COMP SCI