TY  - BOOK
AU  - Loosli J. K.
AU  -  McDonald I. W.
TI  - Nonprotein nitrogen in the nutrition of rumenants
T2  - Agricultural Studies. 75
U1  - KZ2:573;150, K8/UN 
PY  - 1968///
CY  - Rome
PB  - Food and Agriculture Organization       
KW  - Zoology
ER  -