Transmission in the underground of the reference system materialized at the surface.
| Autor: | Dima, Nicolae1, Filip, Larisa1, Ular, Roxana1 |
|---|---|
| Zdroj: | Mining Revue / Revista Minelor. Aug2009, Vol. 15 Issue 8, p9-12. 4p. 4 Diagrams. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
|