TY  - BOOK
AU  - Michael H. Briggs
TI  - Urea as a protein supplement
U1  - 636.2084 
PY  - 1967///
CY  - Oxford
PB  - Pergamon Press
N1  - Michael H. Briggs: Urea as a protein supplement.  Oxford.  Pergamon Press, 1967.--(636.2084BRI)
ER  -