Algis Rudys Dan S. Wallach Enforcing Java Run-Time Properties Using Bytecode Rewriting. 185-200 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2609&spage=185 2002 conf/isss2/2002 ISSS db/conf/isss2/isss2002.html#RudysW02