1. Aspects of Degradation and Stabilization of Polymers;Potts,1978
2. D.F.Williams, Plastics and Rubber: Materials and Applications 179–182 (1980).
3. Fundamental Aspects of Biocompatibility;Williams,1981
4. W.J. Bailey, Y. Okamoto, W.C. Kuo and T. Narita, Proc. 3rd Intern. Biodegrad.Symp. 765–773, Applied Science Publishers, London (1976).