Research in information retrieval, final report : an investigation of the techniques and concepts of information retrieval /
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
[s.l.] :
s.n.,
1965?.
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| Item Description: | Photocopy. Springfield, Va., National Technical Information Service [1965?]. Includes bibliography. At head of title: Report no. 8. |
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| 实物描述: | 243 p. : ill. |