@article{JAC_1996__5_4_a5,
     author = {Bj\"orner, Anders and Sagan, Bruce E.},
     title = {Subspace arrangements of type $B\sb n$ and $D\sb n$},
     journal = {Journal of Algebraic Combinatorics},
     pages = {291--314},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_1996__5_4_a5/}
}