Manuel Abellanas Ferran Hurtado Vera Sacristan Christian Icking Lihong Ma Rolf Klein Elmar Langetepe Belén Palop Voronoi Diagram for services neighboring a highway. 283-288 2003 86 Inf. Process. Lett. 5 http://dx.doi.org/10.1016/S0020-0190(02)00505-7 db/journals/ipl/ipl86.html#AbellanasHSIMKLP03