@inproceedings{Klingner:2006:FAD,
  author =	 {Bryan M. Klingner and Jonathan R. Shewchuk},
  title =	 {Agressive Tetrahedral Mesh Improvement},
  year =	 2007,
  month =	 oct,
  booktitle =	 {Proceedings of the 16th International Meshing
      Roundtabl},
  pages =	 {3--23},
}