The invisible medium
Subtitle: the state of the art of microform and a guide to the literature
By: by Frances G. Spigai.
Contributors: ERIC Clearinghouse on Library and Information Sciences.
Publisher: ERIC Clearinghouse on Library and Information Sciences
Published: 1973
Place of publication: Washington
Language: eng
Number of pages: 31
Subjects: Microforms.; Microforms -- Bibliography.
Notes: Includes bibliographical references.