@conference { EWG*:2007, title = {Topology Based Flow Analysis and Superposition Effects}, booktitle = {Topology-Based Methods in Visualization}, year = {2007}, pages = {91-104}, publisher = {Springer}, organization = {Springer}, address = {Berlin, Germany}, author = {Ebling, J. and Alexander Wiebel and Garth, C. and Gerik Scheuermann} }