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Par Collection Par Auteur- Department of Agriculture. (USDA). Econ., statist., and cooperatives service. International division, Etats-Unis (1)
- NEVILLE-ROLFE, E., (Directeur de publication) (1)
- 1980 (1)
Feed use and feed conversion ratios for livestock in the member countries of the European Community.
- Department of Agriculture. (USDA). Econ., statist., and cooperatives service. International division, Etats-Unis