Multi-Agent Systems and Applications 9th ECCAI Advanced Course ACAI 2001 and Agent Link's 3rd European Agent Systems Summer School, EASSS 2001, Prague, Czech Republic, July 2-13, 2001. Selected Tutorial Papers - Luck, Michael; Luck, Michael; Marik, Vladimir; Marik, Vladimir; Stepankova, Olga; Stepankova, Olga; Trappl, Robert; Trappl, Robert (Springer Berlin Heidelberg : Imprint: Springer, 2001)