@article{10_4171_ggd_178,
     author = {Brian H. Bowditch},
     title = {An upper bound for injectivity radii in convex cores},
     journal = {Groups, geometry, and dynamics},
     pages = {109--126},
     year = {2013},
     volume = {7},
     number = {1},
     doi = {10.4171/ggd/178},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/178/}
}