Trade facilitation  trade data elements directory UNTDED 1990  

 - New York  United Nations  1990  
 - iv, 325p.  ill.  30cm. 
<br/><br/><label>ISBN: </label>9211164737 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data structures (Computer science)--Standards