1. H. Kraus, ?Advances in Biomedical Engineering and Medical Physics?, edited by S. N. Levine, Vol. 2, (Interscience Publishers, New York, 1968) p. 169.
2. J. D. Currey,Clin. Orthop. and Rel. Res.,73 (1970) 210.
3. G. Herrmann andH. Liebowitz, ?Fracture: An Advanced Treatise?, edited by H. Liebowitz, Vol. III, (Academic Press, New York, 1972) p. 771.
4. D. T. Reilly andA. H. Burstein,J. Bone and Joint Surgery 56-A (1974) 1001.
5. S. Saha, Proceedings of the 2nd New England Bioengineering Conference (Pergamon Press, New York, 1974) p. 349.