@article{wein2008ctusfusion,
  author = {W. Wein and S. Brunke and A. Khamene and M.R. Callstrom and N. Navab},
  title = {Automatic CT-Ultrasound Registration for Diagnostic Imaging and Image-guided Intervention},
  journal = {Medical Image Analysis},
  volume = 12,
  issue = 5,
  pages = {577-585},
  month = Oct,
  year = 2008
}