@inproceedings{CP2012GeneralMidpointSubdivision,
  Author = {Qi Chen and Hartmut Prautzsch},
  Title = {General Midpoint Subdivision},
  Booktitle = {arXiv},
  Month = aug,
  Year = {2012},
  Ee = {http://arxiv.org/abs/0911.5157}
}