%0 Journal Article %A M. Sharir %A P.K. Agarwal %T On the Number of Views of Polyhedral Terrains. %J Discrete & computational geometry %D 1994 %P 177-182 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DCG_1994__12_1_131324/ %F DCG_1994__12_1_131324