Books

1. Food and Agriculture in Bulgaria: The Challenge of Preparing for Eu Accession (World Bank Technical Paper)
   

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2. Agronomy: Science and Technology of Crop Growth, Breeding and Production
   

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3. Plant Cold Hardiness and Freezing Stress Vol. 2: Mechanisms and Crop Implications
   

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4. Readings in conservation ecology
   

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5. Soils (Sources and Methods in Geography)
   

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Books