Qantitative Identifying Method of the Stability Types of Coal Seams[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(1): 32-35.
Citation:
|
Qantitative Identifying Method of the Stability Types of Coal Seams[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(1): 32-35.
|
Qantitative Identifying Method of the Stability Types of Coal Seams[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(1): 32-35.
Citation:
|
Qantitative Identifying Method of the Stability Types of Coal Seams[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(1): 32-35.
|