00624naa#a2200193#i#450# EN\\bibl\68546 20241125072015.1 2218-130X 20190325b2019####ek#y0engy0150####ca RUS RU DUST-EXPLOSION PROTECTION OF EXCAVATIONS OF COAL MINES: MERITS AND DEMERITS, WAYS OF IMPROVEMENT Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2019 9 с. Journal article local Rodionov V A Magomet R D Dementev F A journals.igps.ru