Какво знаем и какво не знаем за графита?
| Autor: | Кунов, Ангел |
|---|---|
| Zdroj: | Proceedings of the Bulgarian Geological Society. 2020, Vol. 81 Issue 1, p91-92. 2p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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| Autor: | Кунов, Ангел |
|---|---|
| Zdroj: | Proceedings of the Bulgarian Geological Society. 2020, Vol. 81 Issue 1, p91-92. 2p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
|