MASSIF TECHNOGENIC STRUCTURIZATION INFLUENCE AROUND THE EXTRACTION FACE ON THE SEAM FLOOR HEAVING WHEN WORKING CLOSE LONGWALLS Journal title: Вестник научного центра по безопасности работ в угольной промышленности Authors: Ye.N. Kozyreva, M.V. Shinkevich, Ye.V. Leontieva Subject(s):
