Giuseppe Cattaneo Luigi Catuogno Umberto Ferraro Petrillo Ivan Visconti A Lightweight Security Model for WBEM. 975-988 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2889&spage=975 2003 conf/otm/2003 OTM Workshops db/conf/otm/otm2003.html#CattaneoCPV03