Characteristics of information systems as revealed by an analysis of data in the National Science Foundation series : Non conventional scientific and technical information systems in current use, no. 4 /
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| Format: | Book |
| Language: | English |
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Washington, D.C. :
Herner,
1967.
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| Item Description: | Photocopy, Springfield, Va., Clearinghouse for Federal Scientific and Technical Information [1968]. |
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| Physical Description: | 81 p. |