Books

1. The study of soil in the field
   

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2. Field-Testing Engineered Organisms: Genetic and Ecological Issues
   

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3. Surveillance of Agricultural Price and Trade Policies: A Handbook for Ecuador (World Bank Technical Paper, No 314)
   

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4. Soil and Vegetation Systems (Contemporary Problems in Geography)
   

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5. Thirteenth International Seaweed Symposium (Developments in Hydrobiology)
   

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Books