Procedural guide for the evaluation of document retrieval systems / prepared by Westat Research, inc., under contract NSF-C 491 for Office of Science Information Service, National Science Foundation
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| Corporate Authors: | , |
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| Format: | Book |
| Language: | English |
| Published: |
[Washington :
U. S. Dept. of Commerce; distributed by Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.],
1968
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| Subjects: |
| Item Description: | "PB 182 711." |
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| Physical Description: | vii, 216 p. : ill. ; 28 cm |
| Bibliography: | Bibliography: p. 215-216 |