National patterns of R & D resources ; funds & personnel in the United States.
| Corporate Author: | |
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| Format: | Government Document Serial |
| Language: | English |
| Published: |
Washington :
National Science Foundation :
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| Subjects: |
| Published: | 1953/68- |
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| Item Description: | Subtitle varies. |
| Physical Description: | illustrations ; 24 x 30 cm. |