Customs areas of the world.
Series: Statistical papers.; no. 30, rev. 1; [United Nations. Document] ST/STAT/ser. M/30/rev. 1.
Publisher: United Nations
Published: 1970
Place of publication: New York
Language: eng
Number of pages: 34
Subjects: Customs administration.
Notes: "United Nations publication. Sales no.: E.70.XVII.14."