1. Biographical supplement;HC Bos,1979
2. Hansen, B. 1969. Jan Tinbergen. The Swedish Journal of Economics 71: 325–336.
3. Frisch, R. 1933. Propagation and impulse problems in dynamic economics. In Economic essays in honour of Gustav Cassel. London: Allen & Unwin.
4. Kalecki, M. 1935. A macrodynamic theory of business cycles. Econometrica 3: 327–344.
5. Keynes, J.M. 1939. Collected works, vol. 14. London: Macmillan, 1973, 285–320.