@inbook { WTS:2009, title = {Extraction of Separation Manifolds using Topological Structures in Flow Cross Sections}, booktitle = {Topology-Based Methods in Visualization II}, year = {2009}, pages = {31-44}, publisher = {Springer}, organization = {Springer}, address = {Berlin, Germany}, author = {Alexander Wiebel and Tricoche, X. and Gerik Scheuermann}, editor = {Hege, H.-C. and Polthier, K. and Gerik Scheuermann} }