TIAN Xiao-hua. Quantitative classification of complicated degree of structures and coal seam stability in Yangchangwan mine-field[J]. COAL GEOLOGY & EXPLORATION, 2009, 37(2): 6-9.
Citation:
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TIAN Xiao-hua. Quantitative classification of complicated degree of structures and coal seam stability in Yangchangwan mine-field[J]. COAL GEOLOGY & EXPLORATION, 2009, 37(2): 6-9.
|
TIAN Xiao-hua. Quantitative classification of complicated degree of structures and coal seam stability in Yangchangwan mine-field[J]. COAL GEOLOGY & EXPLORATION, 2009, 37(2): 6-9.
Citation:
|
TIAN Xiao-hua. Quantitative classification of complicated degree of structures and coal seam stability in Yangchangwan mine-field[J]. COAL GEOLOGY & EXPLORATION, 2009, 37(2): 6-9.
|