1. (1) Pahl, G., Beitz, W., Engineering Design: A Systematic Approach (1988), Springer Verlag, New York.
2. (2) Forsberg, K., Mooz, H., “The Relationship of Systems Engineering to the Project Cycle”, Engineering Management Journal. Vol 4, No. 3 (1992), pp. 36-43.
3. (3) VDI 2206, Design methodology for mechatronic systems (2004).