Interregional and international trade 
by Bertil Ohlin.  
 - Rev. ed. 
 - Cambridge, Mass.  Harvard University Press  1967.  
 - xv, 324 p.  25 cm. 
<br/><br/>Includes bibliographical references and index.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce.<br/>Foreign exchange.<br/>Prices.
<br/><br/><label>LC Class. No.: </label>HF81  / .O5 1967