@article{GT_2009_13_4_a2,
     author = {Hruska, G Christopher and Wise, Daniel T},
     title = {Packing subgroups in relatively hyperbolic groups},
     journal = {Geometry & topology},
     pages = {1945--1988},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {2009},
     doi = {10.2140/gt.2009.13.1945},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2009.13.1945/}
}