@InProceedings{1057464,
   title = {Topology preserving surface extraction using adaptive subdivision},
   author = {Gokul Varadhan and Shankar Krishnan and TVN Sriram and Dinesh Manocha},
   year = 2004,
   BookTitle = {SGP '04: Proceedings of the 2004 Eurographics/ACM SIGGRAPH symposium on Geometry processing}
}