UNCITRAL legal guide on international countertrade transactions. 

 - Vienna :  United Nations,  1993. 
 - ix, 192 p. ; 24 cm. 
<br/><br/> UN sales no.: E.93.V.7. 
<br/><br/><label>ISBN: </label>9211334446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Countertrade.