TY  - BOOK
AU  - Clark,R.T.
AU  - Baker,A.L.
TI  - Beef cattle for breeding purposes
T2  - Farmers' bulletin / United States Department of Agriculture
AV  - S21 .A6 rev. no. 1916, Feb. 1957
PY  - 1957///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture
KW  - Beef cattle
KW  - Cattle
KW  - Breeding
N1  - Previous ed. 1942, by James R. Douglas
ER  -