Jeongyeon Seo Youngsong Cho Donguk Kim Deok-Soo Kim An efficient algorithm for three-dimensional beta-complex and beta-shape via a quasi-triangulation. 323-328 2007 conf/sma/2007 Symposium on Solid and Physical Modeling http://doi.acm.org/10.1145/1236246.1236292 db/conf/sma/spm2007.html#SeoCKK07