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Autor:
M Stupnik, Serhii Pysmennyi, O Morhun, O.V. Kalinichenko, Pjsc 'Sukha Balka', Vsevolod Kalinichenko
Publikováno v:
Mining of Mineral Deposits. 12:56-62
The authors would like to express their sincere gratitude to the management of PJSC “Sukha Balka” for assistance in conducting the research and implementing its results.