Rogardt Heldal Fredrik Hultin Bridging Model-Based and Language-Based Security. 235-252 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2808&spage=235 2003 conf/esorics/2003 ESORICS db/conf/esorics/esorics2003.html#HeldalH03