TY  - BOOK
AU  - Fox,Austin Schultz
TI  - Demand for farm tractors in the United States,: a regression analysis
AV  - HD1751 .A91854  no. 103
U1  - 658.83/8/629225 
PY  - 1966///]
CY  - Washington], [for sale by the Superintendent of Documents
PB  - Economic Research Service, U.S. Dept. of Agriculture, U.S. Govt. Print Off.
KW  - Tractors [in agriculture]
KW  - Farm power
N1  - Bibliography: p. 48-50
ER  -