Tomaz Vrtovec Franjo Pernus Bostjan Likar A Symmetry-Based Method for the Determination of Vertebral Rotation in 3D. 942-950 2008 MICCAI (1) http://dx.doi.org/10.1007/978-3-540-85988-8_112 conf/miccai/2008-1 db/conf/miccai/miccai2008-1.html#VrtovecPL08