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Direct method of determining cyclical fluctuations of economic data ...

Thesis (PH. D.)--University of Pennsylvania, 1925. / Published also without thesis note.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/643916031
Date January 1926
CreatorsBrumbaugh, Martin Allen,
PublisherPhiladelphia,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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