Albert Benveniste Stefan Haar Eric Fabre Claude Jard Distributed Monitoring of Concurrent and Asynchronous Systems. 1-26 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2761&spage=1 2003 conf/concur/2003 CONCUR db/conf/concur/concur2003.html#BenvenisteHFJ03