guide to computer output microfilm.
Edition: 4th ed.
Publisher: The Associates
Published: 1975
Place of publication: Guildford
Language: eng
Subjects: Computer output microfilm devices.
Notes: Third ed. published in 1972 has title: A guide to COM in the United Kingdom.

Includes index.

Bibliography : v.1, p. 69-71.
Table of contents: value: Contents:; value: v.1. The technology.; value: v.2. Commercial information.