@article{GT_2008_12_3_a13,
     author = {Bartels, Arthur C and L\"uck, Wolfgang and Reich, Holger},
     title = {Equivariant covers for hyperbolic groups},
     journal = {Geometry & topology},
     pages = {1799--1882},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2008},
     doi = {10.2140/gt.2008.12.1799},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2008.12.1799/}
}