TY  - BOOK
AU  - Strand,Edwin G.
TI  - Productivity of resources used on commercial farms,
AV  - S21 .A72 no. 1128
PY  - 1955///
CY  - Washington
PB  - [U.S. Govt. Print. Off.]
KW  - Agriculture
KW  - Economic aspects
KW  - United States
KW  - Farms
ER  -