Griffiths, Brian <br/><br/>
Invisible barriers to invisible trade 
/ Brian Griffiths 
 - London :  Trade Policy Research Centre,  c1975 
 - x, 178 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>333185331 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade
<br/><br/><label>Dewey Class. No.: </label>380 GRI