Hunt, Donnell. Farm power and machinery management : laboratory manual and workbook / Donnell Hunt. - 7th ed. - Ames : Iowa State University Press, c1977. ISBN: 0813805805 LCCN: 76050850 Subjects--Topical Terms: Agricultural machinery.Farm mechanization. LC Class. No.: S675 / .H83 1977 Dewey Class. No.: 631.3