Tobias Salzbrunn Heike Jänicke Thomas Wischgoll Gerik Scheuermann The State of the Art in Flow Visualization: Partition-Based Techniques. 75-92 2008 SimVis http://www.simvis.org/Tagung2008/sv-proceedings.html conf/simvis/2008 db/conf/simvis/simvis2008.html#SalzbrunnJWS08