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FAO : Ursprung, Aufbau u. Entwicklung, 1945 - 1981
Phillips, Ralph Wesley - 1983
Persistent link: https://www.econbiz.de/10000073636
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Recent developments affecting lifestock production in the Americas
Phillips, Ralph Wesley (contributor) - 1956
Persistent link: https://www.econbiz.de/10013386007
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Animal genetic resources : conservation and management; proceedings of the FAO/UNEP technical consultation
Phillips, Ralph Wesley (contributor) - 1981
Persistent link: https://www.econbiz.de/10014015242
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Essential steps in national agricultural improvement
Lewis, A. B. - 1950
Persistent link: https://www.econbiz.de/10014418595
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The organization of agricultural research in Europe
Phillips, Ralph Wesley (contributor);  … - 1953
Persistent link: https://www.econbiz.de/10014412738