1. Ho MH, Hwang JR, Doong JL (1999) Polym Eng Sci 39:708
2. Perkins WG (1999) Polym Eng Sci 39:2445
3. Trantina G, Nimmer R (1994) Structural analysis of thermoplastic components. McGraw-Hill, New York, p 241
4. McCrum NG, Buckley CP, Bucknall CB (1997) Principles of polymer engineering. Oxford Science Publications, New York, p 84
5. Strong AB (2000) Plastics: material and processing. Prentice Hall, NJ, p 143