1. Knight, G. J. (1980) In Developments in Reinforced Plastics — 1 (ed. G. Pritchard), Applied Science, London, pp. 145–210.
2. Critchley, J. P., Knight, G. J. and Wright, W. W. (1983) Heat Resistant Polymers, Plenum, New York.
3. Mittal, K. L. (ed.) (1984) Polyimides — Synthesis, Characterization and Applications, Vols 1 and 2, Plenum, New York.
4. Shaw, S.J. (1987) Mater. Sci. Technol., 3, 589.
5. Sroog, C. E. (1967) J. Polym. Sci. C, 16, 1191.