1. Beer, S. (1981).Brain of the Firm (2nd ed.), John Wiley, Chichester.
2. Fedorenko, N. P. (1974).Optimal Functioning System for a Socialist Economy, Progress, Moscow.
3. Gorbachev, M. (1987).Perestroika, Collins, London.
4. Susiluoto, I. (1982).The Origins and Development of Systems Thinking in the Soviet Union, Suomalainen Tiedeakatemia, Helsinki.
5. Tomlinson, R., and Kiss, I. (eds.) (1984).Rethinking the Process of Operational Research and Systems Analysis, Pergamon Press, Oxford.