Marie Pierre Gleizes Valérie Camps Jean-Pierre Georgé Davy Capera Engineering Systems Which Generate Emergent Functionalities. 58-75 2007 EEMMAS http://dx.doi.org/10.1007/978-3-540-85029-8_5 conf/eemmas/2007 db/conf/eemmas/eemmas2007.html#GleizesCGC07