1. Proc Intl Conf on Carbon Fibres and their Composites;Hawthorne,1971
2. Stress Graphitization of Polyacrylonitrile Based Carbon Fibre
3. Proc 3rd Conf on Industrial Carbon and Graphite;Johnson,1970
4. Hishiyama Y. In: 11th Biennial Conf on Carbon, Oak Ridge National Laboratory, Gatlinburg, TN, American Carbon Society, 1973:269.