@article{GT_2008_12_3_a8,
     author = {Bestvina, Mladen and Kleiner, Bruce and Sageev, Michah},
     title = {The asymptotic geometry of right-angled {Artin} groups, {I}},
     journal = {Geometry & topology},
     pages = {1653--1699},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2008},
     doi = {10.2140/gt.2008.12.1653},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2008.12.1653/}
}