1. Druesedow, D. and Gibb, C. F. 1953.Polymer Degradation Mechanisms, Nat. Bur. Std. Circ. 525 69Washington, D. C
2. Kenyon, A. S. 1953.Polymer Degradation Mechanisms, Nat. Bur. Std. Circ. 525 81Washington, D. C
3. Photodegradation and high temperature degradation of polymers
4. Photo-oxidation of poly(vinyl chloride)