The use of punched cards in the storage and retrieval of engineering information in Ethiopia /
| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Crowthorne, Berkshire :
Transport and Road Research Laboratory,
1977.
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| Series: | TRRL supplementary report ;
no. 248. |
| Subjects: |
| Physical Description: | 40 pages : illustrations ; 30 cm. |
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| Bibliography: | Bibliography: pages 9-10. |