Heike Jänicke Michael Böttinger Xavier Tricoche Gerik Scheuermann Automatic Detection and Visualization of Distinctive Structures in 3D Unsteady Multi-fields. 767-774 2008 27 Comput. Graph. Forum 3 http://dx.doi.org/10.1111/j.1467-8659.2008.01206.x db/journals/cgf/cgf27.html#JanickeBTS08