1. “Design for Assembly - A Designer's Handbook,”;Boothroyd,1983
2. Libardi, E.C., Dixon, J. R. and Simmons, M. K., “Designing with Features, Design and Analysis of Extrusions as an Example,” Proceedings of the Mechanical Design Conference Chicago, March 1986.
3. “Designing with Features,”;Luby;Computers in Mechanical Engineering,1986
4. Estimating Manufacturing Costs;Mathews,1983
5. ICAM Manufacturing Cost/Design Guide;Noton,1980