@InProceedings{vissym04-reina,
  author = {Reina, G. and Ertl, T.},
  title  = {{Volume Visualization and Visual Queries for Large High-Dimensional Datasets}},
  year   = {2004},
  pages  = {255--260},
  booktitle = {{Proceedings of EG/IEEE TCVG Symposium on Visualization VisSym '04}},
  editor = {{O. Deussen and C. Hansen and D.A. Keim and D. Saupe}}
}