@article{GT_2012_16_2_a1,
     author = {Wilton, Henry},
     title = {One-ended subgroups of graphs of free groups with cyclic edge groups},
     journal = {Geometry & topology},
     pages = {665--683},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2012},
     doi = {10.2140/gt.2012.16.665},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2012.16.665/}
}