John V. Franco Michal Kouril John S. Schlipf Jeffrey Ward Sean Weaver Michael Dransfield W. Mark Vanfleet SBSAT: a State-Based, BDD-Based Satisfiability Solver. 398-410 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2919&spage=398 2003 conf/sat/2003 SAT db/conf/sat/sat2003.html#FrancoKSWWDV03