1. Phillips C, Badler N: Jack: A toolkit for manipulating articulated figures. ACM/SIGGRAPH Symposium on User Interface Software, Banff, Canada, pp. 221–229, 1988
2. Otani E: Software tools for dynamic and kinematic modeling of human motion. Master’s thesis, Department of Mechanical Engineering, University of Pennsylvania, Technical Report, MS-CIS-89-43, Philadelphia, PA, 1989
3. Iberall T: The nature of human prehension: Three dextrous hands in one. IEEE Conference on Robotics and Automation, pp. 396–401, 1987
4. Fuchs H, Kedem Z, Uselton S: Optimal surface reconstruction from planar contours. Comm. of the ACM, Vol. 20, No. 10, pp. 693–702, 1977
5. Monheit G, Badler N: A kinematic model of the human spine and torso. IEEE Computer Graphics and Applications, Vol. 11, No. 2, 1991