Shippen,M.J. <br/><br/>
Basic Farm Machinery 

 - New York  Pergamon Press  1980 
<br/><br/><label>ISBN: </label>0 08 024912 4 
<br/><br/><label>LC Class. No.: </label>631.3/SHI  / 6 
<br/><br/><label>Dewey Class. No.: </label>631.3/SHI  / 6