TY  - BOOK
ED  - United States. Department of Agriculture.
TI  - Science in farming.: the yearbook of agriculture 1943-1947
U1  - R 630.72 21st ed.
PY  - 1947///
CY  - Washington
PB  - U.S. Government Printing Office
KW  - Agriculture-Research-United States, Breeding Livestock, Animal Diseases, Hormones in Reproduction
N1  - Index: pp 935-44
ER  -