Hyo Shin Kim Yoon Hyuk Kim Yeon Hyeon Choe Sung-Min Kim Taeg-Sang Cho Joung Hwan Mun A New Modeling Method for Objects with Branching Problem Using Non-uniform B-Spline. 1095-1102 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3039&spage=1095 2004 conf/iccS/2004-4 International Conference on Computational Science db/conf/iccS/iccS2004-4.html#KimKCKCM04