%0 Journal Article %A A. Björner %A P.H. Edelman %A G.M. Ziegler %T Hyperplane Arrangements with a Lattice of Regions. %J Discrete & computational geometry %D 1990 %P 263-288 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131117/ %F DCG_1990__5_2_131117