Joao Paulo Gois Eduardo Tejada Tiago Etiene Luis Gustavo Nonato Antonio Castelo Thomas Ertl Curvature-driven Modeling and Rendering of Point-Based Surfaces. 27-36 2006 conf/sibgrapi/2006 SIBGRAPI http://doi.ieeecomputersociety.org/10.1109/SIBGRAPI.2006.9 db/conf/sibgrapi/sibgrapi2006.html#GoisTENCE06