%0 Journal Article %A Shephard, G. C. %T Combinatorial Properties of Associated Zonotopes %J Canadian journal of mathematics %D 1974 %P 302-321 %V 26 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-032-5/ %R 10.4153/CJM-1974-032-5 %F 10_4153_CJM_1974_032_5