Port statistics
Subtitle: selection, collection and presentation of port information and statistics : manual
By: prepared by the UNCTAD secretariat.
Series: Document / United Nations -- TD/B/C.4/79/Rev.1
Publisher: United Nations
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 40
Subjects: Harbors -- Statistics.
Notes: "United Nations publication. Sales no., E.72.II.D.1."