TY - BOOK AU - Symposium on Recent Developments in the Use of New Sources of Protein, Essential Amino Acids, and Non-protein Nitrogen, with Special Reference to Ruminants, Geneva, 1977 AU - United Nations. Economic Commission for Europe. Committee on Economic Problems AU - Food and Agriculture Organization of the United Nations TI - Protein and non-protein nitrogen for ruminants : proceedings of the Symposium on Recent Developments in the Use of New Sources of Protein, Essential Amino Acids, and Non-protein Nitrogen, with Special Reference to Ruminants, organized by the Committee on Agricultural Problems of the United Nations Economic Commission for Europe and the Food and Agriculture Organization of the United Nations, Geneva, 10-13 January 1977 ET - 1st ed PB - Published for the United Nations by Pergamon Press PY - 1977 EP - vi, 182 p. UR - https://ci.nii.ac.jp/ncid/BA06913065 SN - 0080219918 ER -