TY  - BOOK
AU  - Ray L. Shirley
TI  - Nitrogen and energy nutrition of ruminants
SN  - 0-12-64D260-4
U1  - 636.2 
PY  - 1986///
CY  - New York
PB  - Academic Press
N1  - Ray L. Shirley: Nitrogen and energy nutrition of ruminants.  New York.  Academic Press, 1986. 0-12-64D260-4--(636.2SHI)
ER  -