Sofía Behar Jorge Estrada-Sarlabous Victoria Hernández-Mederos Dionne León Smoothing of Polygonal Chains for 2D Shape Representation Using a <i>G</i><sup>2</sup>-Continuous Cubic A-Spline. 42-50 2005 conf/ciarp/2005 CIARP http://dx.doi.org/10.1007/11578079_5 db/conf/ciarp/ciarp2005.html#BeharEHL05