Geographia Polonica (1973) vol. 25

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Structural changes of the economic regions in Poland: A study by factor analysis of commodity flows

Zbyszko Chojnicki, Teresa Czyż

Geographia Polonica (1973) vol. 25, pp. 31-49

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Zbyszko Chojnicki, Adam Mickiewicz University, Poznan
Teresa Czyż, Institute of Socio-Economic Geography and Space Economy, Adam Mickiewicz University, Fredry 10, 61-701 Poznań, Poland