@article{10_4171_ggd_203,
     author = {Alessandro Sisto},
     title = {Tree-graded asymptotic cones},
     journal = {Groups, geometry, and dynamics},
     pages = {697--735},
     year = {2013},
     volume = {7},
     number = {3},
     doi = {10.4171/ggd/203},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/203/}
}