Jens Chr. Godskesen Brian Nielsen Arne Skou Connectivity Testing Through Model-Checking. 167-184 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3235&spage=167 2004 conf/forte/2004 FORTE db/conf/forte/forte2004.html#GodskesenNS04