@article{georgii:2007:adVolRender,
  author =       "J. Georgii and M. Eder and  L. Kovacs and A. Schneider and M. Dobritz and R. Westermann",
  title =        "Advanced Volume Rendering for Surgical Training Environments",
  journal =    "International Journal of Computer Assisted Radiology and Surgery",
  publisher =    "Springer",
  year =         "2007",
  volume = 			"2",
  pages = 			"S285"
}