Hatchuel, Armand, and Benoit Weil. “C-K Design Theory: An Advanced Formulation”. Research in Engineering Design, vol. 19, no. 4, 2008, pp. 181-92, https://doi.org/10.1007/s00163-008-0043-4.
Hatchuel, A., & Weil, B. (2008). C-K design theory: an advanced formulation. Research in Engineering Design, 19(4), 181-192. https://doi.org/10.1007/s00163-008-0043-4
Hatchuel A, Weil B. C-K design theory: an advanced formulation. Research in Engineering Design. 2008;19(4):181-92.