[Marai et al., 2003]
G. Elisabeta Marai, David H. Laidlaw, Cagatay Demiralp, Stuart Andrews, Cindy Grimm, and Joseph J. Crisco. Estimating joint contact areas and ligament lengths from bone kinematics and surfaces. IEEE Transactions on Biomedical Engineering, 51(5):790-799, May 2003. (pdf) (bibtex: Marai-2003-EJC).