Tim Poston Tien-Tsin Wong Pheng-Ann Heng Multiresolution Isosurface Extraction with Adaptive Skeleton Climbing. 137-148 1998 17 Comput. Graph. Forum 3 db/journals/cgf/cgf17.html#PostonWH98 http://dx.doi.org/10.1111/1467-8659.00261