Bert Verdonck R. Nijlunsing Frans A. Gerritsen J. Cheung D. J. Wever A. Veldhuizen S. Devillers Shérif Makram-Ebeid Computer Assisted Quantitative Analysis of Deformities of the Human Spine. 822-831 http://dx.doi.org/10.1007/BFb0056270 1998 conf/miccai/1998 MICCAI db/conf/miccai/miccai1998.html#VerdonckNGCWVDM98