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The role of modeling in social sciences : some concluding remarks
Karlqvist, Anders, (1981)
Politico-economic models and cycles : Beitrag für International Seminar in Public Economics, Conference on Fiscal Politics, Namur, Belgien, 26. - 28. November 1976
Frey, Bruno S., (1976)
Simulointi tutkimusmenetelmänä : taloustieteellinen sovellutusalue
Porkka, Martti, (1978)
Catastrophe theory and the problem of stellar collapse
Casti, J., (1974)
Illusion or reality? : the mathematics of attanable goals and irreducible uncertainties
Casti, John L., (1976)
Invariant theorie, the riccati group, and linear control problems
Casti, J., (1976)