1. Feagin JJ (1988) The crucial ligament. Churchill Livingstone, New York
2. Clancy W, Narechania R, Rosenberg T (1981) Anterior and posterior cruciate ligament reconstruction in Rhesus monkeys. J Bone Joint Surg [Am] 63: 1270
3. Decker B, Bosch U, Kasperczyk W, Oestem H, Reale E (1991) Ultrastructural changes of the patellar tendon as a cruciate ligament substitute (one year and two year results). J Submicrosc Cytol Pathol 23
4. Claes L, Wolter D, Gistinger G, Rose P, Hüttner W, Fitzer E (1978) Physical and biological aspects of Carbon fibre in the ligament prosthesis. Third Conference on Mechanical Properties of Biomaterials, Keele University
5. Claes L, Neugebauer R (1985) In vivo and in vitro investigation of the long-term behavior and fatigue strength of Carbon fibre ligament replacement. Clin Orthop Relat Res 196: 99