1. Standard Method for Measuring the Minimum Oxygen Concentration to Support Candle-like Combustion of plastics (Oxygen Index). Test Method D2863-77, American Society for Testing and Materials, Philadelphia (1977).
2. British Standard Methods of Testing: Plastics, Thermal Properties, BS 2782 Part 1, Methods 141A to 141D. British Standards Institution, London (1978).
3. Electrical Research Association Symposium on Flammability and Smoke Testing Techniques held at IEE, London, 6 February 1974, Session 1, Contibution to discussion.