U. S. Library of Congress. Information Systems Office. (1970). Format recognition process for MARC records: A logical design. Information Science and Automation Division, American Library Association.
Chicago-viite (17. p.)U. S. Library of Congress. Information Systems Office. Format Recognition Process for MARC Records: A Logical Design. Chicago: Information Science and Automation Division, American Library Association, 1970.
MLA-viite (9. p.)U. S. Library of Congress. Information Systems Office. Format Recognition Process for MARC Records: A Logical Design. Information Science and Automation Division, American Library Association, 1970.
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