@article{10_1090_S0894_0347_03_00424_7,
     author = {Brock, Jeffrey},
     title = {The {Weil-Petersson} metric and volumes of 3-dimensional hyperbolic convex cores},
     journal = {Journal of the American Mathematical Society},
     pages = {495--535},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {2003},
     doi = {10.1090/S0894-0347-03-00424-7},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-03-00424-7/}
}