@article{rpbib:fuchs2008parallel, author = {Raphael Fuchs and Ronald Peikert and Helwig Hauser and Filip Sadlo and Philipp Muigg}, title = {{Parallel Vectors Criteria for Unsteady Flow Vortices}}, journal = {IEEE Transactions on Visualization and Computer Graphics}, volume={14}, number={3}, year = {2008}, pages = {615--626}, issn = {1077-2626}, }