@article{LS13a,
  author  = {Livesu, Marco and Scateni, Riccardo},
  title   = {Extracting Curve-Skeletons from Digital Shapes Using Occluding Contours},
  journal = {The Visual Computer},
  year    = {2013},
  volume  = {29},
  number  = {9},
  pages   = {907--916},
  issn    = {1432-2315},
  doi     = {10.1007/s00371-013-0855-8}}