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Major statistical series of the US Department of Agriculture : how they are constructed and used Volume 11 Foreign trade, production, and consumption of agricultural products US Department of Agriculture - Washington USDA 1972 - 30 p. 26 cm - Agriculture Handbook / USDA 11 . - Agriculture Handbook / USDA Foreign trade, production, and consumption of agricultural products .

Subjects--Index Terms: Eua Datos estadisticos Economia agricola