@article{10_2140_agt_2007_7_1345,
     author = {Band, Gavin and Boyland, Philip},
     title = {The {Burau} estimate for the entropy of a braid},
     journal = {Algebraic and Geometric Topology},
     pages = {1345--1378},
     year = {2007},
     volume = {7},
     number = {3},
     doi = {10.2140/agt.2007.7.1345},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.1345/}
}