Cost and utilization of power and labor on Iowa farms
By: by Wylie D. Goodsell
Series: Research bulletin -- 258; Research bulletin (Iowa Agricultural Experiment Station) -- 258
Publisher: Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
Published: 1939
Place of publication: Ames, Iowa
Language: eng
Number of pages: 363
Subjects: Farm tractors; Draft horses; Agricultural machinery; Economic aspects
Notes: Taken from Ph. D. Thesis (Iowa State College, 1938).

Includes bibliographical references.