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Research of Optimal Transition Depth in opencast-underground combined mining
Gong, Jian, Sun, Hailing, Liu, YingranVolume:
199
Language:
english
Journal:
IOP Conference Series: Earth and Environmental Science
DOI:
10.1088/1755-1315/199/2/022041
Date:
December, 2018
File:
PDF, 585 KB
english, 2018