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Another item in the 54-year cycle study
Shirk, Gertrude - In: Cycles : official bulletin of the Foundation for the … 26 (1975) 3, pp. 69-76
Persistent link: https://www.econbiz.de/10002810117
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Automobile factory sales
Shirk, Gertrude - In: Cycles : official bulletin of the Foundation for the … 20 (1969) 7, pp. 159-160
Persistent link: https://www.econbiz.de/10002810129
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Cycles in silver prices
Shirk, Gertrude F. - In: Cycles : official bulletin of the Foundation for the … 36 (1985) 3, pp. 61-66
Persistent link: https://www.econbiz.de/10001044975
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Cycle analyses of stock prices
Shirk, Gertrude F. - In: Cycles : official bulletin of the Foundation for the … 36 (1985) 2, pp. 30-39
Persistent link: https://www.econbiz.de/10001044976