@CONFERENCE{bichlmei2006window,
  author={Christoph Bichlmeier and Nassir Navab},
  title={Virtual Window for Improved Depth Perception in Medical AR},
  booktitle = {AMIARCS - Virtual Window for Improved Depth Perception in Medical AR},
  year =	 {2006},
  address =	 {Copenhagen, Denmark},
  month =	 {Oct.},
  organization = {MICCAI Society},
  timestamp = {2006.12.13}
}