1. Ranby J, Rabek JF. Photodegradation, Photo-oxidation and Photostabilization of Polymers. London: John Wiley, 1975. p. 156.
2. Çaykara T, Eroğlu MS, Güven O. Journal of Applied Polymer Science (in press).
3. Haslam J, Wills HA, Squirnell DCM. Identification and Analysis of Plastics. London: Hazell, Watro and Viney, 1972. p. 263.
4. Noll W. Chemistry and Technology of Silicones, 2nd ed. New York: Academic Press, 1968, Chapter 4.