Zhenghao Wang Richard R. Muntz On Stage Ordering in Staged Computation. 77-96 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2830&spage=77 2003 conf/gpce/2003 GPCE db/conf/gpce/gpce2003.html#WangM03