Proceedings 

 - (s.p.i),  (s.a.) 
 - 513 p.  : ilus. 
<br/><br/><label>LCCN: </label>25968 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cacao--Congresos.
<br/><br/><label>Dewey Class. No.: </label>633.74  / C6 1960