Paul A. Rodgers1 , Nicholas H.M. Caldwell1, Avon P. Huxor2
1. Engineering Design Centre, University of Cambridge, Department of Engineering, Trumpington Street, Cambridge CB2 1PZ
2. Centre for Electronic Arts, Middlesex University, Cat Hill, Barnet, Herts. EN4 8HT
Parts of this paper appear in the Proceedings of the 6th International Product Development Management Conference, Cambridge, UK, July 5-6, 1999, pp. 937-948.