Tractor complements on Iowa commercial farms
By: by Steven C. Griffin, P. Alan Treffeisen, Earl O. Heady.
Contributors: Treffeisen, P. Alan.; Heady, Earl Orel, 1916-
Series: Miscellaneous CARD report
Publisher: Center for Agricultural and Rural Development, Iowa State University
Published: 1979
Place of publication: Ames, Iowa
Language: eng
Number of pages: 41
Subjects: Farm tractors -- Iowa.
Notes: Bibliography: p. 40.