Sami Evangelista Claude Kaiser Jean-François Pradat-Peyre Pierre Rousseau Quasar: A New Tool for Concurrent Ada Programs Analysis. 168-181 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2655&spage=168 2003 conf/adaEurope/2003 Ada-Europe db/conf/adaEurope/adaEurope2003.html#EvangelistaKPR03