-
1by Boer, F. de, 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), Hamm, G.G.H., United Nations, Geneva (Switzerland). Economic Commission for Europe eng
Published 1976Texto bibliotecaFAO IT