SUBSTANTIATION OF STABLE CROWN SHAPES IN IRON ORE MINING.

Autor: KALINICHENKO, E. V.1, STUPNIK, N. I.2, KALINICHENKO, V. A.2
Zdroj: Mining Revue / Revista Minelor. 2018, Vol. 24 Issue 4, p9-14. 6p.
Databáze: Academic Search Ultimate
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