TY  - BOOK
AU  - Strickler, Paul E.
AU  - Hines, Charles A.
ED  - U. S. Department of Agriculture
ED  - U. S. Department of Agriculture
TI  - Numbers of selected machines and equipment on farms : : with related data
U1  - 73 SD:338.14 
PY  - 1960///
CY  - Washington
PB  - U. S. Department of Agriculture
ER  -