Paper  bibtex   

@ARTICLE{Schmalstieg_110,
  author = {Bernhard Reitinger and Alexander Bornik and Reinhard Beichel and
	Dieter Schmalstieg},
  title = {Liver Surgery Planning Using Virtual Reality},
  journal = {IEEE Computer Graphics and Applications},
  year = {2006},
  volume = {26},
  pages = {36-47},
  number = {6},
  month = {November-December},
  url = {http://arbook.icg.tugraz.at/schmalstieg/Schmalstieg_110.pdf}
}