1. Billmeyer, F. W. 1971.Textbook of Polymer Science, 2nd ed. 420–423. New York: Wiley–Interscience.
2. Ingle, G. W. 1974. Plastics in Waste. Chemical Society of Washington Symposium, National Bureau of Standards. 1974, Washington, DC.
3. Demand for Architectural Products Helps Boost PVC Capacity