19Th European Conference on Modelling and Simulation (Ecms 2005), Date: JUN 01-04, 2005, Location: Riga, LATVIA, Sponsors: European Council Modelling & Simulat, Soc Modelling & Simulat, IEEE, Riga Tech Univ, Arbeitsgemensch Simulat, Federat European Simutat Soc Liophant Simulat, Polish Soc Compn Simulat, Latvian Simulat Soc, MISS Latvian Ctr, Latvian Acad Sci, Latvian Council Sci