Shirou Wakayama Yuusuke Kawakita Mitsunobu Mitsunobu Hisakazu Hada Jun Murai Personal Server Model for Real-Space Networking. 446-459 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2662&spage=446 2003 conf/icoin/2003 ICOIN db/conf/icoin/icoin2003.html#ShirouKMHM03