Nabil H. Mustafa Eleftherios Koutsofios Shankar Krishnan Suresh Venkatasubramanian Hardware-assisted view-dependent map simplification. 50-59 2001 Symposium on Computational Geometry http://doi.acm.org/10.1145/378583.378614 db/conf/compgeom/compgeom2001.html#MustafaKKV01