@article{10_2140_agt_2016_16_621,
     author = {Cashen, Christopher H},
     title = {Splitting line patterns in free groups},
     journal = {Algebraic and Geometric Topology},
     pages = {621--673},
     year = {2016},
     volume = {16},
     number = {2},
     doi = {10.2140/agt.2016.16.621},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2016.16.621/}
}