@inproceedings{SPM_06_colon,
  author    = {W. Hong and X. Gu and F. Qiu and M. Jin and A. Kaufman},
  title     = {Conformal Virtual Colon Flattening},
  booktitle = {ACM Symposium on Solid and Physical Modeling},
  year      = {2006},
  pages     = {85--93},
  }