1. Saaty TL (1989) The analytic hierarchy process, McGraw-Hill
2. Yoshimura M, Kondo H (1997) Group decision making in product design and manufacturing. In: Proceedings of 1997 ASME Design Engineering Technical Conferences, Sacramento, California:1–7
3. Keeney RL, Raiffa H (1976) Decisions with multiple objectives: preferences and value tradeoffs, Wiley, New York
4. Yoshimura M, Kondo H (1996) Product design based on concurrent processing of design and manufacturing information by utility analysis. International journal of concurrent engineering: Research and applications, 4(4):379–388