@article{CMH_1993__68_2_140314,
     author = {Peter B. Shalen and Marc Culler},
     title = {Hyperbolic volume and mod p homology.},
     journal = {Commentarii mathematici Helvetici},
     pages = {494--510},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {1993},
     zbl = {0801.57008},
     url = {http://geodesic.mathdoc.fr/item/CMH_1993__68_2_140314/}
}