Markus Müller-Olm Oliver Rüthing Helmut Seidl Checking Herbrand Equalities and Beyond. 79-96 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3385&spage=79 2005 conf/vmcai/2005 VMCAI db/conf/vmcai/vmcai2005.html#Muller-OlmRS05