1. Paper 12-B;J. B. Sturgeon,1973
2. Paper 8-E;M. J. Owen,1970
3. Paper 51;M. J. Owen,1971
4. L. G. Bevan andJ. B. Sturgeon, 2nd International Conference on Carbon Fibres, their place in Modem Technology, London, The Plastics Institute, Paper 32 (1974).
5. ASTM STP 569;H. T. Sumsion,1975