Machinery investment practices of Washington farmers
By: [Dwaine E. Umberger, Norman K. Whittlesey and M.E. Wirth].
Contributors: Whittlesey, Norman K.; Wirth, M. E. 1928-
Series: Bulletin / Washington Agricultural Experiment Station -- 737.; Bulletin (Washington Agricultural Experiment Station) -- 737.
Publisher: Washington Agricultural Experiment Station, College of Agriculture, Washington State University
Published: 1971
Place of publication: [Pullman, Wash.]
Language: eng
Number of pages: 10
Subjects: Agricultural machinery -- Economic aspects -- Washington (State)
Notes: Cover title.

Bibliography: p. 10.