Open Access
Issue
E3S Web Conf.
Volume 123, 2019
Ukrainian School of Mining Engineering - 2019
Article Number 01046
Number of page(s) 9
DOI https://doi.org/10.1051/e3sconf/201912301046
Published online 22 October 2019

© The Authors, published by EDP Sciences, 2019

Licence Creative CommonsThis is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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