@article{fei2003comparative,
  title={A comparative study of warping and rigid body registration for the prostate and pelvic MR volumes},
  author={Fei, Baowei and Kemper, Corey and Wilson, David L},
  journal={Computerized Medical Imaging and Graphics},
  volume={27},
  number={4},
  pages={267--281},
  year={2003},
  publisher={Elsevier}
}