Alexandr Sergeevith Kuchin. Regularities of surface and the solid of slightly metamorphosed rock mass deformation when developing gently sloping coal seams : д.т.н. : spec.. 05.15.01 - Маркшейдерія : presented. 2012-12-14; popup.evolution: .; State Higher Educational Institution National Mining University. – , 0513U000072.

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