Promersberger, William J. <br/><br/>
Modern farm power 

 - 3rd 
 - Virgina  Reston Publishing Company  1979 
 - xiii, 270p. illus.   
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<br/><br/><label>Subjects--Index Terms: </label>Farm power 
<br/><br/><label>Dewey Class. No.: </label>631.171