Hald, Earl C.
Business cycles
Houghton-Mifflin, 1954
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Lundberg, Erik
Business cycles and economic policy
Harvard University Press, 1957
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Achinstein, Asher
Introduction to business cycles
Thomas Y. Crowell, 1950
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Mitchell, Wesley C.
Business cycles : the problem and its setting
National Bureau of Economic Research, 1954
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Mitchell, Wesley C.
Business cycles : the problem and its setting
National Bureau of Economic Researsch, 1930
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