Keywords
tractors
Series Prefix
AE
Tech Report Number
81
Verified Date
1971-01-01 00:00
Recommended Citation
Richey, C. B. and Hunt, D. R., "Determining Usage costs for Farm Tractors and Field Machines" (1971). Historical Documents of the Purdue Cooperative Extension Service. Paper 55.
https://docs.lib.purdue.edu/agext/55
COinS
Comments
Agricultural Engineering Serves the Farmer