Progress and economic problems in farm mechanization / prepared by A. M. Acock ; Food and Agriculture Organization of the United Nations - Washington : FAO, 1950. - vii, 88 p. : ill., photos ; 23 cm. Errata slip tipped in Includes bibliographical reference ISBN: USD 1.00 Subjects--Topical Terms: Farm mechanizationMechanizationAgricultural machinery Dewey Class. No.: 631.3