Alessandro Armando Luca Compagna Silvio Ranise Rewriting and Decision Procedure Laboratory: Combining Rewriting, Satisfiability Checking, and Lemma Speculation. 30-45 2005 conf/birthday/2005siekmann Mechanizing Mathematical Reasoning http://springerlink.metapress.com/openurl.asp?genre=article&id=HPUK9VTQKPH8XLTE db/conf/birthday/siekmann2005.html#ArmandoCR05