1. Spadaro, G., S. Piccarolo, S. Canto, E. Calderaro, D. Acierno, Polymer Bulletin6, 611 (1982).
2. Charlesby, A., Atomic Radiation and Polymers, Pergamon (New York 1960).
3. Chapiro, A., Radiation Chemistry of Polymeric Systems, Wiley-Interscience (New York 1962).
4. Charlesby, A., Radiation Effects on Polymers, in: Polymer Science, A. D. Jenkins ed., North Publishing Company (Amsterdam 1972).
5. Technical data supplied by Kuraray Co.