World summary of statistics on science and technology results of experimental surveys of scientific and technical manpower and expenditures for research and experimental development.
| Ente Autore: | |
|---|---|
| Natura: | Libro |
| Lingua: | English |
| Pubblicazione: |
Paris
Unesco
1970
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| Serie: | Statistical reports and studies, no. 17
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| Soggetti: |