1. Lawson, G., in Developments in Rubber and Rubber Composites—2, ed. C. W. Evans, Applied Science Publishers, London, 1983, Chapter 4.
2. HEalth And SAfety EXecutive, Occupational Exposure Limits 1985, Guidance Note EH 40/85, HMSO, London.
3. BRMA HEalth REsearch UNit, Toxicity and Safe Handling of Rubber Chemicals 1985, 2nd (revised) edn, British Rubber Manufacturers’ Association Ltd, Birmingham.
4. NUtt, A. R., Toxic Hazards of Rubber Chemicals, Elsevier Applied Science Publishers, London, 1984.
5. THain, W., Monitoring Toxic Gases in the Atmosphere for Hygiene and Pollution Control, Pergamon Press, Oxford, 1980.