1. Value, production and exchange;de Vroey,1981
2. The value of money, the value of labor power and the Marxian transformation problem;Foley;Review of Radical Political Economy,1982
3. Studies in the Theory of Business Cycles;Kalecki,1966
4. The General Theory of Money, Interest, and Employment;Keynes,1936
5. Introduction to Economic Cybernetics;Lange,1970