Heller, H. Robert,  1940- <br/><br/>
International trade :  theory and empirical evidence / 
by H. Robert Heller. 
 - 2nd ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall ,  1973. 
 - xiv, 236 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0134739183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International trade.