@article{10_4171_ggd_123, author = {Martin Bridson and Dan Segal}, title = {Editorial}, journal = {Groups, geometry, and dynamics}, pages = {207--211}, year = {2011}, volume = {5}, number = {2}, doi = {10.4171/ggd/123}, url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/123/} }