%0 Journal Article %A G. Kalai %A N. Alon %T Bounding the Piercing Number. %J Discrete & computational geometry %D 1995 %P 245-256 %V 13 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DCG_1995__13_3-4_131360/ %F DCG_1995__13_3-4_131360