44.Silberling N J 1943 The dynamics of business: An analysis of trends, cycles, and time relationships in American economic activity since 1700 and their bearing upon governmental and business policy McGraw-Hill New York USA.
Mastering Hurst Cycle Analysis Pdf 29
45.Silberling N J 1943 The dynamics of business: An analysis of trends, cycles, and time relationships in American economic activity since 1700 and their bearing upon governmental and business policy McGraw-Hill New York USA. 2ff7e9595c
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