Geographia Polonica (1970) vol. 19

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The Location and Intensity of Farming Systems

Alec N. Duckham, Geoffrey B. Masefield

Geographia Polonica (1970) vol. 19, pp. 55-70

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Alec N. Duckham, Department of Agriculture University of Reading, England
Geoffrey B. Masefield, Department of Agriculture University of Oxford, England