@Proceedings{VolumeGraphics06-Ertl,
  author = {M"oller, Torsten and Machiraju, Raghu  and Chen, Min and Ertl,Thomas },
  title  = {{Volume Graphics 2006 }},
  year   = {2006},
   publisher = {{Eurographics}},
  editor = {M"oller, Torsten and Machiraju, Raghu  and Chen, Min and Ertl,Thomas}
}