@InProceedings{SCI:Tri2001b,
  author =    "X. Tricoche and G. Scheuermann and H. Hagen",
  title =     "Vector and Tensor Topology Simplification on
              Irregular Grids",
  booktitle = "Proceedings of the Joint Eurographics-{IEEE}
              {TCVG} Symposium on Visualization: Data
              Visualization 2001",
  pages =     "101--116",
  year =      "2001",
  url =       "http://www.sci.utah.edu/publications/tricoche01/irregular.pdf",
}