@MASTERSTHESIS{ak01thesis,
  author =       {Armin Kanitsar},
  title =        {Advanced Visualization Techniques for Vessel Investigation},
  school =       {University of Technology Vienna, Institute of Computergraphics and Algorithm},
  month =        mar,
  year =         2001,
  url =          {http://www.cg.tuwien.ac.at/research/vis/angiovis/}
}