Harel Paz Erez Petrank Stephen M. Blackburn Age-Oriented Concurrent Garbage Collection. 121-136 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3443&spage=121 2005 conf/cc/2005 CC db/conf/cc/cc2005.html#PazPB05