Research on the Optimal Technology for Exploitation of the Thin Lignite Layers in the Open Pits from Oltenia Coalfield.
| Autor: | Lazar, Maria, Iosif, Andras |
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| Zdroj: | Proceedings of the 12th International Symposium Continuous Surface Mining - Aachen 2014; 2015, p157-170, 14p |
| Databáze: | Complementary Index |
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