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Rational technologies of filling masses formation at undergrounds mines of JSC «KAZZINC» - PDF (Russian)
Copyright (c) 2009 Шапошник Ю.Н., Шапошник С.Н.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2009 Шапошник Ю.Н., Шапошник С.Н.
This work is licensed under a Creative Commons Attribution 4.0 International License.