Ссылка для цитирования (ENG)
Karpov Grigoryi Nikolaevich , Kovalski E. R. Mode of Forming Dismantle Chamber in Mining Gently-Sloping Coal-Beds Journal of Industrial Pollution Control. 2017. №33. pp. 834-839. http://www.icontrolpollution.com/articles/mode-of-forming-dismantle-chamber-in-mining-gentlyslopingcoalbeds-.pdf
