@InProceedings{svakhine06volgraphics, author = {Svakhine, N. A. and Ebert, D. and Tejada, E. and Ertl, T. and Gaither, K.}, title = {{Pre-integrated Flow Illustration for Tetrahedral Meshes}}, year = {2006}, booktitle = {{ Proceedings of the International Workshop on Volume Graphics '06}} }