title = {Estimating Joint Contact Areas and Ligament Lengths from Bone Kinematics and Surfaces},
  author = {Georgeta Elizabeth Marai and David Laidlaw and Cagatay Demiralap and Stuart Andrews and Cindy Grimm and Joseph Crisco},
  journal = {IEEE Transactions on Biomechanical Engineering},
  volume = {51},
  number = {5},
  pages = {790--799},
  publisher = {IEEE},
  note = {This paper uses the smooth models developed in the Fitting Manifold Surfaces paper to measure contact areas and ligament lenghts.},
  month = {May},
  year = {2004}