CIP :  Hidrovias, las venas del comercio internacional sudamericano | Waterways, the veins of South American international trade / 
Organization of American States. 
 - 40 pages :  colour illustrations, colour maps ;  27 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organization of American States.<br/>Port districts. <br/>Waterways--South America.<br/>International trade--South America.
<br/><br/><label>Dewey Class. No.: </label>Pam 328.3657 Org