van Bergeijk/Brakman <br/><br/>
The Gravity Model in International Trade  

 - 1st ed 
 -  Cambridge University Press  2011 
<br/><br/><label>ISBN: </label>9780511762109 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce