@ARTICLE{navab2009tmi,
  author = {Nassir Navab and Sandro Michael Heining and Joerg Traub},
  title = {Camera Augmented Mobile C-arm (CAMC): Calibration, Accuracy Study and Clinical Applications},
  journal = {{IEEE} Trans. Med. Imag.},
  volume = {to appear}
  year = {2009}
}