Matthew B. Dwyer Robby Xianghua Deng John Hatcliff Space Reductions for Model Checking Quasi-Cyclic Systems. 173-189 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2855&spage=173 2003 conf/emsoft/2003 EMSOFT db/conf/emsoft/emsoft2003.html#DwyerRDH03