1. Tennant, R. M., Science Data Book, Oliver and Boyd, Edinburgh, 1971
2. Brydson, J. A., Plastics Materials, Newnes Butterworth, London, 1975.
3. Sheldon, R. P., Composite Polymeric Materials, Applied Science Publishers, London and New York, 1982, Ch. 1.
4. Udel Polysulphone, Union Carbide (UK) Ltd, Rickmansworth, UK, 1983.
5. Victrex Polyethersulphone, ICI PLC, Welwyn Garden City, UK, 1982