TY  - BOOK
AU  - Vuuren, A.M. van
AU  - 
TI  - Digestion and nitrogen metabolism of grass fed dairy cows
U1  - 636.083.52 
PY  - 1993///
CY  - Wageningen
PB  - Landbouw University
KW  - Dairy farming
KW  - Animal nutrition
N1  -  Thesis
ER  -