Intensive underground coal mining technology in zones of harmful effects of natural factors
Keyword(s):
2019 ◽
Vol 560
◽
pp. 012067
Keyword(s):
Keyword(s):
1963 ◽
Vol 79
(900)
◽
pp. 378-384
2009 ◽
Vol 15
(1)
◽
pp. 1-6
◽