Boris Aronov Mark de Berg Shripad Thite The Complexity of Bisectors and Voronoi Diagrams on Realistic Terrains. 100-111 2008 ESA http://dx.doi.org/10.1007/978-3-540-87744-8_9 conf/esa/2008 db/conf/esa/esa2008.html#AronovBT08