Culpin, Claude. <br/><br/>
Farm Machinery. 

 - 10th ed. 
 - London :  English Language Book Society,   1981. 
 - 449 p. 
<br/><br/><label>ISBN: </label>0246116218 
<br/><br/><label>Dewey Class. No.: </label>631.3  / CUP