Helpman, Alhanan <br/><br/>
Market structure and foreign trade  ; increasing returns, imperfect competition, and the international economy / 

 - Sussex:  Wheatsheaf,  1985 
 - xii, 271p. Index 
<br/><br/> "1991 reprint pub. by the MIT Pr." 
<br/><br/><label>ISBN: </label>026258087X 
<br/><br/><label>Dewey Class. No.: </label>338.522  / H483.MS