@InProceedings{vissym01-roettger,
  author = {Roettger, Stefan and Schulz, Martin and Bartelheimer, Wolf and Ertl, Thomas},
  title  = {{Automotive Soiling Simulation Based On Massive Particle Tracing}},
  year   = {2001},
  pages  = {309--317,363},
  booktitle = {{Proceedings of EG/IEEE TCVG Symposium on Visualization VisSym '01}}
}