Mirtha-Lina Fernández Guillem Godoy Albert Rubio Orderings for Innermost Termination. 17-31 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3467&spage=17 2005 conf/rta/2005 RTA db/conf/rta/rta2005.html#FernandezGR05