Ruthenberg, Hans. <br/><br/>
Farming systems in the tropics. 

 - Oxford [Eng.]  Clarendon Press,  1971. 
 - xiv, 424 p.  illus.  24 cm. 
<br/><br/>Includes bibliographical references (p. [397]-414). 
<br/><br/><label>ISBN: </label>0198594267 
<br/><br/><label>LCCN: </label>75-888971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems--Tropics.<br/>Farm management--Tropics.
<br/><br/><label>Dewey Class. No.: </label>630.913