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1by Cottyn, B.G., 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), Boucque, C.V., Aerts, J.V., Buysse, F.X., United Nations, Geneva (Switzerland). Economic Commission for Europe eng
Published 1976Texto bibliotecaFAO IT