1. Eur. Plast. News. 11 (1) (1984) 5.
2. Mod. Plast. Internat. 14 (1) (1984) 21.
3. Kunststoffe 69 (9) (1979) 497, (English translation in German Plastics69 (1979) 5).
4. G. Matthews,?Vinyl and Allied Polymers Volume 2 Vinyl Chloride and Vinyl Acetate Polymers? (Iliffe Books, London, 1972), Chapter 5, pp. 62?86.
5. M. Kaufmann, ?The History of PVC? (Mac-Laren and Sons Ltd, London, 1969) Chap. 6, pp. 99?137.