%0 Journal Article %A W. Weil %A S. Campi %A D. Haas %T Approximation of Zonoids by Zonotopes in Fixed Directions. %J Discrete & computational geometry %D 1994 %P 419-432 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DCG_1994__11_3_131309/ %F DCG_1994__11_3_131309