1. Brantigan OC, Voshell AF (1946) Ligaments of the knee joint. The relationship of the ligament of Humphry to the ligament of Wrisberg. J Bone Joint Surg [Am] 28:66–67
2. Butler DL, Kay MD, Stouffer DC (1886) Comparison of material properties in fascicle-bone units from human patellar tendon and knee ligaments. J Biomech 19:425–432
3. Butler DL, Sheh MY, Stouffer DC, Samaranayaka VA, Levy MS (1990) Surface strain variation in human patellar tendon and knee cruciate ligaments. J Biomech Eng 112:38–45
4. Clancy, WG (1993) Posterior cruciate ligament. In: Chapman M (ed) Operative orthopaedics, Vol 3 pp 2093–2107
5. Friederich NF, O'Brien WR (1990) Functional anatomy of the meniscofemoral ligaments. Fourth Congress of the European Society for Knee Surgery and Arthroscopy (ESKA), June 25–27, 1990, Stockholm, Sweden