Sylvie Coste-Marquis Pierre Marquis On the Complexity of Paraconsistent Inference Relations. 151-190 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3300&spage=151 2005 conf/dagstuhl/2005into Inconsistency Tolerance db/conf/dagstuhl/into2005.html#Coste-MarquisM05