Hoppen H J <br/><br/>
Farm implements for arid and torpical regions 

 - Rome  Food and Agricultura Organization         1960 
 - vii, 157p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Labour
<br/><br/><label>Dewey Class. No.: </label>X9(J):(D6), K0/UN