Auxiliary files for foreign trade CD-ROMS [computer file]. 

 - Washington  Bureau of the Census  1991. 
 - 3 diskettes  5 1/4 in. 
<br/><br/><label>LCCN: </label>doc92000576  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Commerce--Software.