KEPNER, R.A. <br/><br/>
PRINCIPLES OF FARM MACHINERY 

 - 3rd ed. 
 - westport  AVI  1978 
 - 527p. 
<br/><br/><label>ISBN: </label>087055252X 
<br/><br/><label>LC Class. No.: </label>S 675  / .K47 1978