1. Stage-gate systems: A new tool for managing new products;Cooper;Bus Horiz,1990
2. New product processes at leading industrial firms;Cooper;Ind Mark Manag,1991
3. Concurrent Engineering Fundamentals: Integrated product and process organization;Prasad,1996
4. Revolutionizing Product Development: quantum leaps in speed, efficiency, and quality;Wheelwright,1992
5. Engineering Design: A Systematic Approach;Pahl,2013