Agnieszka Nowak Alicja Wakulicz-Deja The Way of Rules Representation in Composited Knowledge Bases. 175-182 2009 ICMMI https://doi.org/10.1007/978-3-642-00563-3_17 conf/icmmi/2009 db/conf/icmmi/icmmi2009.html#NowakW09