@article{CTGDC_1993__34_4_321_0,
     author = {Dawson, Robert J. MacG.},
     title = {Simplicial homology of preconvexity spaces},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {321--346},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {34},
     number = {4},
     year = {1993},
     mrnumber = {1253174},
     zbl = {0795.52001},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1993__34_4_321_0/}
}