Pre-conference proceedings of the Special Focus Symposium on Catallactics: Quantitative Modelling of Human Market Interactions, Baden-Baden, July 30, 2003 : [in conjunction with] 15th International Conference on Systems Research, Informatiocs and Cybernetics, (July 28 - August 2, 2003, Baden-Baden) - Hromnikova, Maria; Romić, Lidija; Tumbas, Pere; Smit, Wim; Žiljak, Vilko; Pap, Klaudio; Šimović, Vladimir; Tanković, Šemso; Vojnović, Savo; Javorović, Miljenko; Ostojić, Gojko; Dumančić, Mario, pedagog; et al. (ECNSI [i. e.] Europski centar za napredna i sustavna istraživanja : Vladimir Šimović, 2005)