Hopfen, H.J. <br/><br/>
Small farm implements / 
by H.J. Hopfen, E. Biesalski 
 - Rome  Food and Agriculture Organization  1953 
 - vii, 79  pages. 
<br/><br/> Include references 
<br/><br/><label>ISBN: </label>9251004528 
<br/><br/><label>Dewey Class. No.: </label>631.3  / HOP