SuGil Choi Kwangjo Kim ByeongGon Kim Practical Solution for Location Privacy in Mobile IPv6. 69-83 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2908&spage=69 2003 conf/wisa/2003 WISA db/conf/wisa/wisa2003.html#ChoiKK03