American national standard dimensions for unitized microfilm carriers (aperture, camera, copy, and image cards)
By: American National Standards Institute, inc. ; secretariat, American Library Association
Contributors: American Library Association
Publisher: The Institute
Published: 1978
Place of publication: New York
Language: eng
Subjects: Micrographics; Equipment and supplies; Standards
Other titles: Dimensions for unitized microfilm carriers.
Notes: "ANSI PH5.8-1972 industry standard."

"Approved March 24, 1971, reaffirmed 1978."