@article{10_4171_ggd_143,
     author = {Bert Wiest},
     title = {How to read the length of a braid from its curve diagram},
     journal = {Groups, geometry, and dynamics},
     pages = {673--681},
     year = {2011},
     volume = {5},
     number = {3},
     doi = {10.4171/ggd/143},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/143/}
}