Edmund M. Clarke Muralidhar Talupur Helmut Veith Dong Wang SAT Based Predicate Abstraction for Hardware Verification. 78-92 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2919&spage=78 2003 conf/sat/2003 SAT db/conf/sat/sat2003.html#ClarkeTVW03