Trade data elements directory 
Economic Commission for Europe  
 - New York  United Nations  1994-1996  
 - v.  21-30cm 
<br/><br/> Describtion based on: 1993  
<br/><br/>v.1. Standard data elements.-- v.3. Trade facilitation recommendations  
<br/><br/><label>ISBN: </label>9211165857 (pbk.):  free 9211166500 (pbk.):  free 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data structures (Computer science)--Standards<br/>International trade--Data processing--Standards<br/>Trade--Directories