%0 Journal Article
%A K. Kedem
%A M. Sharir
%A D.P. Huttenlocher
%T The Upper Envelope of Voronoi Surfaces and Its Applications.
%J Discrete & computational geometry
%D 1993
%P 267-292
%V 9
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DCG_1993__9_2_131248/
%F DCG_1993__9_2_131248