1. C. Migliaresi and L. Fambri, “Biomateriali polimerici” Conference proceedings (Simposio, Bologna, 1991) p. 58.
2. S. J. Huang, “Encyclopedia of polymer science and engineering”, Vol 2, Second Edn (1985), p. 220.
3. D. C. Tunc, M. W. Rohovski, B. Jadhav, W. B. Lehman, A. Strongwater and F. Kummer, “Advances in Biomedical polymers”, edited by C. E. Cebelein (Plenum Press, NY, 1987).
4. P. Cavallaro, B. Immirzi, M. Malinconico, E. Martuscelli and M. G. Volpe, Die Angew. Makromol. Chem.
210 (1993) 129.
5. Idem. Makromol. Chem. Rapid Comm. 15 (1994) 103.