Semmler, W. (1994). Business cycles: : theory and empirical methods. Boston: Kluwer Academic Publishers.
Παραπομπή Chicago StyleSemmler, Willi. Business Cycles: : Theory and Empirical Methods. Boston: Kluwer Academic Publishers, 1994.
Παραπομπή MLASemmler, Willi. Business Cycles: : Theory and Empirical Methods. Boston: Kluwer Academic Publishers, 1994.
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