@Article{SCI:Tri2001a,
  author =    "X. Tricoche and G. Scheuermann and H. Hagen",
  title =     "Tensor Topology Tracking: A Visualization Method
              for Time-Dependent 2D Symmetric Tensor Fields",
  journal =   "Computer Graphics Forum",
  volume =    "20",
  number =    "3",
  pages =     "461-470",
  year =      "2001",
  publisher = "Wiley-Blackwell",
  month =     "Sep",
  doi =       "10.1111/1467-8659.00539",
  url =       "http://www.sci.utah.edu/publications/Tri2001a/ttt.pdf",
}