@ARTICLE{zikic2006fast,
  author = {Darko Zikic and Wolfgang Wein and Ali Khamene and Dirk-Andre Clevert and Nassir Navab},
  title = {Fast Deformable Registration of 3D-Ultrasound Using a Variational Approach},
  journal = {Medical Image Computing and Computer-Assisted Intervention (MICCAI)},
  year = {2006},
  volume = {4190},
  pages = {915-923},
  month = {Oct.},
  booktitle = {Proceedings of MICCAI 2006},
  doi = {10.1007/11866565},
  organization = {MICCAI Society},
  publisher = {Springer}
}