Tim McInerney Hoda Dehmeshki User-Defined B-Spline Template-Snakes. 746-753 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2879&spage=746 2003 conf/miccai/2003-2 MICCAI (2) db/conf/miccai/miccai2003-2.html#McInerneyD03