Kjeld Høyer Mortensen Kari R. Schougaard Ulrik Pagh Schultz Distance-Based Access Modifiers Applied to Safety in Home Networks. 315-326 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3295&spage=315 2004 conf/eusai/2004 EUSAI db/conf/eusai/eusai2004.html#MortensenSS04