Handbook on the scheme of the United States of America 

 - New York :    U.S. Government publications,    1989 
 - xxxvi, 271p. ;    30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Duty-free importation -- United  States
<br/><br/><label>Dewey Class. No.: </label>UNCTAD /TAP/163/Rev.12