@article{JAC_1996__5_3_a1,
     author = {Hanlon, Phil},
     title = {A note on the homology of signed posets},
     journal = {Journal of Algebraic Combinatorics},
     pages = {245--250},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_1996__5_3_a1/}
}