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Publications pe ́riodiques
Agrarpolitik
1
Agrarverfassung
1
Agricultural innovations
1
Agriculture
1
Animal behavior
1
Animals, Domestic
1
Animals, Zoo
1
Animaux
1
Dairying
1
Domestic animals
1
Economic aspects
1
Ethology
1
Industrie laitie`re
1
Innovations agricoles
1
Land reform
1
Land tenure
1
Landwirtschaft
1
Moeurs et comportement
1
Produit laitier
1
Social aspects
1
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1
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2
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