Hugh Anderson Siau-Cheng Khoo Affine-Based Size-Change Termination. 122-140 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2895&spage=122 2003 conf/aplas/2003 APLAS db/conf/aplas/aplas2003.html#AndersonK03