Adolfo Muñoz Pere-Pau Vázquez XXIV Spanish Computer Graphics Conference, CEIG 2014, Zaragoza, Spain, July 2-4, 2014 Eurographics Association CEIG 2014 978-3-905674-67-5 http://diglib.eg.org/handle/10.2312/7709 db/conf/ceig/ceig2014.html