1. U.S. DOD, Systems Engineering Guide for Systems of Systems, Version 1.0, August 2008. Available at: https://acqnotes.com/wp-content/uploads/2014/09/DoD-Systems-Engineering-Guide-for-Systems-of-Systems-Aug-2008.pdf
2. R.W. Asby, Introduction to Cybernetics. London: Routledge Kegan & Paul, 1964
3. L. Von Bertalanffy, General System Theory: Foundations, Development, Applications. New York: George Braziller, 1968
4. Tung X. Bui, Co-oP: A Group Decision Support System for Cooperative Multiple Criteria Group Decision Making. Berlin: Springer, 1987
5. H. Raiffa, Decision Analysis: Introductory Lectures on Choices under Uncertainty. Massachusetts: Addison-Wesley, (968