1. ?Proceedings and Reports of Councils and Associations?, J. Bone and Joint Surgery, 53B (1971) 341.
2. F. W. Bultitude and J. R. Morris, UKAE Authority Report GRO/44/83/22 (Ex.)
3. V. J. Colangelo and N. D. Greene, Report to National Institute of Health (GM-12661-01) (1968).
4. K. Asgar and F. A. Peyton, J. Dental Res. 40 (1961) 73.
5. G. Arndt, T. M. Devine, and J. Wulff, ?A New Cobalt-Chromium-Molybdenum-Wrought Alloy?. Presented at the Fall Meeting of the Metall. Soc. AIME (1970).