Specialized science information services in the United States : a directory of selected specialized information services in the physical and biological sciences /
| Συλλογικό Έργο: | , |
|---|---|
| Μορφή: | Βιβλίο |
| Γλώσσα: | English |
| Έκδοση: |
Washington :
National Science Foundation. Office of Science Information Service,
1961
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| Θέματα: |