@article{10_4171_ggd_67,
     author = {Lucas Sabalka},
     title = {On rigidity and the isomorphism problem for tree braid groups},
     journal = {Groups, geometry, and dynamics},
     pages = {469--523},
     year = {2009},
     volume = {3},
     number = {3},
     doi = {10.4171/ggd/67},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/67/}
}