TY - BOOK TI - Estimation of rumen microbial protein production from purine derivatives in urine SN - 1011-4289 PY - 1997/// CY - Vienna PB - IAEA N1 - "A laboratory manual for the FAO/IAEA Co-ordinated research programme on development, standardization and validation of nuclear based technologies for measuring microbial protein supply in ruminant livestock for improving productivity"; Bibliografía al final de cada capítulo ER -