Maps format.
Series: Its On-line systems ; C80-6
Publisher: OCLC, inc.
Published: 1980
Place of publication: Columbus, Ohio
Language: eng
Subjects: Cataloging of maps -- Data processing -- Handbooks, manuals, etc.; OCLC Cataloging Subsystem -- Handbooks, manuals, etc.; MARC formats -- United States -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.
Notes: Loose-leaf for updating.