@InProceedings{tahoe02-kraus,
  author = {M. Kraus and T. Ertl},
  title  = {{Simplification of Nonconvex Tetrahedral Meshes}},
  year   = {2002},
  pages  = {185-196},
  booktitle = {{Hierarchical and Geometrical Methods in Scientific Visualization}},
  editor = {{Farin, G. and Hagen, H. and Hamann, B.}},
  publisher = {{Springer-Verlag}}
}