Books

1. Second International Peat Congress, Leningrad, U.S.S.R., 1963: transactions;
   

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2. Soil survey of Dewey County, South Dakota
   

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3. Transformación reciente de la agricultura en la costa atlántica andaluza (Cuadernos del I.D.R)
   

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4. Pesticides : An International Guide to 1800 Pest Control Chemicals
   

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5. Farming and wildlife (The New naturalist)
   

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Books