Carlo Arcelli Gabriella Sanniti di Baja Luca Serino From 3D Discrete Surface Skeletons to Curve Skeletons. 507-516 2008 ICIAR http://dx.doi.org/10.1007/978-3-540-69812-8_50 conf/iciar/2008 db/conf/iciar/iciar2008.html#ArcelliBS08