The invisible medium : the state of the art of microfilm and a guide to literature /
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| Main Author: | |
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| Corporate Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Stanford, Calif. :
ERIC Clearinghouse on Media and Technology, Stanford University and the ERIC Clearinghouse on Library and Information Sciences,
1973.
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| Subjects: |
| Item Description: | "An ERIC paper.". |
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| Physical Description: | 31 p. : illus. |