1. Anatomy of the anterior cruciate ligament;Arnoczky;Clin. Orthop.,1983
2. Geometry of the knee;O'Connor,1990
3. The cruciate ligaments of the knee joint. Anatomical, functional, and experimental analysis;Girgis;Clin. Orthop.,1975
4. An analytic model of the knee;Crowinshield;J. Biomech.,1976