Ссылка для цитирования (ENG)
Zubov Vladimir Pavlovich , Nikiforov A. V. Features of development of superimposed coal seams in zones of disjunctive geological disturbances International Journal of Applied Engineering Research. 2017. №5. pp. 765-768. https://www.ripublication.com/ijaer17/ijaerv12n5_29.pdf