Ships' routeing.
Edition: 4th ed.
Publisher: Inter-governmental Maritime Consultative Organization
Published: 1978
Place of publication: London
Language: eng
Subjects: Rule of the road at sea.; Navigation -- Safety measures.; Nautical charts.
Notes: Loose-leaf for updating.
"The chartlets contained herein are not to be used for navigation."
Amendment no. 3-<   > issued by the body under its later name International Maritime Organization.