Harald Ganzinger George Hagen Robert Nieuwenhuis Albert Oliveras Cesare Tinelli DPLL( T): Fast Decision Procedures. 175-188 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3114&spage=175 2004 conf/cav/2004 CAV db/conf/cav/cav2004.html#GanzingerHNOT04