@InProceedings{shaderx02-weiskopf,
  author = {Weiskopf, D. and Hopf, M.},
  title  = {{Real-time simulation and rendering of particle flows}},
  year   = {2002},
  booktitle = {{Direct3D Shaderx: Vertex and Pixel Shader Tips and Tricks}},
  editor = {Engel, W.},
  publisher = {Wordware}
}