Kepner, Robert Allen,    1915- <br/><br/>
Principles of farm machinery /    
R. A. Kepner, Roy Bainer, and E. L . Barger. 
 - 3rd ed. 
 - Westport, Conn. :   Avi Pub. Co.,   c1978. 
 - xi, 527 p. :    ill. ;    24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>087055252X 
<br/><br/><label>LCCN: </label>78-016078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural machinery.--------
<br/><br/><label>Dewey Class. No.: </label>631.3