@Article{BengerHegeVisProcTensor,
  title       = "Strategies for direct visualization of second-rank tensor fields",
  author      = "Werner Benger and Hans-Christian Hege", 
  journal     = "Visualization and Processing of Tensor Fields", 
  editor      = "J.~Weickert and H.~Hagen",
  chapter     = "11",
  doi         = "10.1007/3-540-31272-2_11",
  pages       = "191-214",
  publisher   = "Springer Verlag",
  year        = "2006",
}