Author: Russia) Mezhdunarodnai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Ėnergeticheskai︠a︡ bezopasnostʹ Rossii: novye podkhody k razvitii︠u︡ ugolʹnoĭ promyshlennosti" (14th 2012 Kemerovo