Smith, Haris Pearson A. E. <br/><br/>
Farm machinery and Equipment / 
by Haris Pearson A. E. Smith and Lambers Henry M. S. Wilkes 
 - 6th ed. 
 - New York :  Mc Graw-hill Book Company,  1976. 
<br/><br/><label>ISBN: </label>0070589577 
<br/><br/><label>Subjects--Index Terms: </label>Engineering Farm Machinery Equipment