Stéphane Zampelli Yves Deville Christine Solnon Sébastien Sorlin Pierre Dupont Filtering for Subgraph Isomorphism. 728-742 2007 conf/cp/2007 CP http://dx.doi.org/10.1007/978-3-540-74970-7_51 db/conf/cp/cp2007.html#ZampelliDSSD07