REDUCTION OF COAL AND IIS FOR-MING CONDITIONS IN CONTINENTAL-COAL-B EARING FORMATION——WITH COAL SEAM 193,IN BANSHI,HUNCHUN AS A EXAMPLE[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(5): 1-8.
Citation: REDUCTION OF COAL AND IIS FOR-MING CONDITIONS IN CONTINENTAL-COAL-B EARING FORMATION——WITH COAL SEAM 193,IN BANSHI,HUNCHUN AS A EXAMPLE[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(5): 1-8.

REDUCTION OF COAL AND IIS FOR-MING CONDITIONS IN CONTINENTAL-COAL-B EARING FORMATION——WITH COAL SEAM 193,IN BANSHI,HUNCHUN AS A EXAMPLE

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