Gemma Bel Enguix Maria Dolores Jiménez-López Membranes as Multi-agent Systems: an Application to Dialogue Modelling. 31-40 2006 conf/clor/2006 IFIP PPAI http://dx.doi.org/10.1007/978-0-387-34749-3_4 db/conf/ifip12/ppai2006.html#EnguixJ06