1. J.G. Williams, Proceedings of the Conference on Polypropylene in Automotive Applications, RAPRA, Birmingham, UK, May 1989, p. 11.
2. Multi-objective optimization in material design and selection
3. Scratching maps for polymers
4. P.Z. Wang, I.M. Hutchings, S.J. Duncan, L. Jenkins, SAE, Vol. 99M-28, 1999, Technical Paper No. 1999-01-0243.
5. P.Z. Wang, I.M. Hutchings, S.J. Duncan, L. Jenkins, Proceedings of the 6th International Conference on TPOs in Automotive, Novi, MI, USA, October 22–25, 1999, p. 107.