1. Charlesby A. Atomic radiation and polymers. Oxford: Pergamon Press, 1960.
2. Chapiro A. Radiation chemistry of polymeric systems. New York: Interscience, 1962.
3. Schnabel W. Degradation by high energy radiation. In: Jellinek HHG, editor. Polymer Degradation. Amsterdam: Elsevier Scientific Publ Co., 1978. p. 149.
4. Parkinson WW, Keyser RM. Polystyrene and related polymers. In: Dole M, editor. The radiation chemistry of macromolecules, vol. 2. New York: Academic Press, 1972. p. 57.
5. Böhm GGA. The radiation chemistry of elastomers. In Dole M, editor. The radiation chemistry of macromolecules, vol. 2. New York: Academic Press, 1972. p. 195.