Hiroyuki Nishiyama Yukinobu Mine Fumio Mizoguchi The Design of a Secure Distributed Devices System Based on Immunity. 330-344 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3233&spage=330 2003 conf/isss2/2003 ISSS db/conf/isss2/isss2003.html#NishiyamaMM03