@inproceedings{Liu07spm,
  author    = {Yu-Shen Liu and Min Liu and Daisuke Kihara and Karthik Ramani},
  title     = {Salient critical points for meshes},
  booktitle = {ACM Symposium on Solid and Physical Modeling (SPM'07)},
  pages     = {277--282},
  year      = {2007},
}