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. 
<br/><br/> Errata slip tipped in 
<br/><br/>Includes bibliographical reference 
<br/><br/><label>ISBN: </label> USD 1.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm mechanization<br/>Mechanization<br/>Agricultural machinery
<br/><br/><label>Dewey Class. No.: </label>631.3