Voronoi Diagrams and Containment of Families of Convex Sets on the Plane.

Manuel Abellanas Gregorio Hernández-Peñalver Rolf Klein Victor Neumann-Lara Jorge Urrutia Voronoi Diagrams and Containment of Families of Convex Sets on the Plane. 71-78 1995 Symposium on Computational Geometry http://doi.acm.org/10.1145/220279.220287 db/conf/compgeom/compgeom95.html#AbellanasHKNU95