1. Tovey M (1992) Intuitive and objective processes in automotive design. Des Stud 13:22–41
2. Catalano CE, Falcidieno B, Giannini F, Monti M (2002) A survey of computer-aided modelling tools for aesthetic design. J Comput Inf Sci Eng 2:11–20
3. Farin GE (1996) Curves and surfaces for computer-aided geometric design: a practical guide. Academic Press, San Diego
4. Shah JJ, Mantyla M (1995) Parametric and feature-based CAD/CAM. Wiley, New York
5. Cavendish JC, Marin SP (1992) A procedural feature-based approach for designing functional surfaces. In: Hagen H (ed) Topics in surface modelling. SIAM Geometric Design Publications, Philadelphia