@article{pulmonaryvasculartreesegmentationfrom,
  title = {Pulmonary Vascular Tree Segmentation from Contrast-Enhanced CT Images},
  author = {M. Helmberger and M. Urschler and M. Pienn and Z. Balint and A. Olschewski and H. Bischof},
  year = {2013},
  eprint = {1304.7140},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1304.7140v1},
}