1. Rubin II (1972) Injection moulding theory and practice. Wiley, New York
2. Belofsky H (1995) Plastics: product design and process engineering. Hanser Publishers, New York
3. Brown RP (1988) Handbook of plastic test methods, 3rd edn. Longman Scientific & Technical, New York
4. Charles AH (2000) Modern plastic handbook. Mc Graw Hill Publishers
5. Chanda M, Roy SK (1998) Plastic technology handbook, 3rd Edn, Revised and Expanded. Marcel Dekker, Inc