@InProceedings{vis00-roettger,
  author = {Roettger, S. and Kraus, M. and Ertl, T.},
  title  = {{Hardware-Accelerated Volume and Isosurface Rendering Based On Cell-Projection}},
  year   = {2000},
  pages  = {109-116},
  organization = {{IEEE}},
  booktitle = {{Proceedings of IEEE Visualization '00}}
}