1. Annual Book of ASTM Standards, Vols. 09.01 and 09.02, American Society for Testing and Materials, Philadelphia, published annually.
2. SAE Handbook, Vol. 1, Society of Automotive Engineers, Warrendale. PA, published annually.
3. BS 903, Methods of Testing Vulcanized Rubbers (published in numerous parts at different times), British Standards Institution, London.
4. A. G. Veith, Polym. Test., 7, 237–267, (1987).
5. R. Brown, Eur. Rubb. J., 25–26, (Jan./Feb. 1989).