Alexander Artikis Gauthier Picard Laurent Vercouter Engineering Societies in the Agents World IX, 9th International Workshop, ESAW 2008, Saint-Etienne, France, September 24-26, 2008, Revised Selected Papers 5485 2009 http://dx.doi.org/10.1007/978-3-642-02562-4 978-3-642-02561-7 ESAW Lecture Notes in Computer Science Springer db/conf/esaw/esaw2008.html