The secretary's friend; or, a form for the preparation of mathematical expressions for typing /
| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Santa Monica, Calif. :
Rand Corp.,
[1967]
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| Subjects: |
| Item Description: | Cover title. "September 1967." "P-3688." |
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| Physical Description: | 5 pages : illustrations ; 28 cm. |
| Bibliography: | Includes bibliographical references (page 5). |