Tractor depreciation and technical change
Subtitle: a case study of 60-horsepower tractors
By: LeRoy Hansen, Hyunok Lee.
Contributors: Lee, Hyunok.; United States. Dept. of Agriculture. Economic Research Service.
Series: Technical bulletin -- no. 1772.; Technical bulletin (United States. Dept. of Agriculture) -- no. 1772.
Publisher: U.S. Dept. of Agriculture, Economic Research Service; ERS-NASS [distributor
Published: 1990
Place of publication: Washington, DC; Rockville, MD
Language: eng
Number of pages: 15
Subjects: Tractors -- United States -- Design and construction.; Tractors -- United States -- Cost of operation.; Tractors -- Economic aspects -- United States.
Other titles: Case study of 60 horsepower tractors.
Notes: Distributed to depository libraries in microfiche.

"February 1990"--P. iii.

Includes bibliographical references (p. 14-15).