%0 Journal Article
%A P. Mani-Levitska
%A H.E. Debrunner
%T Can You Cover Your Shadows?
%J Discrete & computational geometry
%D 1986
%P 45-58
%V 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DCG_1986__1_130980/
%F DCG_1986__1_130980