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1Texto bibliotecaFAO IT
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2by Poppe, S., FAO, Rome (Italy) eng, Symposium on Recent Developments in the Use of New Sources of Protein, Essential Amino Acids and Non-Protein Nitrogen with Special Reference to Ruminants eng 10 Jan 1977 Geneva (Switzerland), Gabel, M., United Nations, Geneva (Switzerland). Economic Commission for Europe eng
Published 1976Texto bibliotecaFAO IT