1. J.A. Gaudin, in: Encyclopedia of Human Biology, Vol. 1, eds. R. Dulbecco (Academic press, INC. San Diego, 1991) 371
2. G.W. Stachowiack, A.W. Batchelor, L.J. Griffiths (1994) Wear 171:135
3. T. Little, M. Freeman, and S.A.V. Swanson, in: Lubrication and Wear in Joints, eds. V. Wright (Sector, London, 1969) 110
4. V.C. Mow and G.A. Ateshian, in: Basic Orthopedic Biomechanics, eds. V.C. Mow and C. Wilson (Lippincott-Raven, Philadelphia, 1997) 275
5. M. Furey, in: The Biomedical Engineering Handbook, eds. J. D. Bronzino (CRC Press, Boca Raton, 2000)