Study on the Nature and Strncture of the Upper Palaeozoic Heat-Altered Coal in Western Henan

Study on the Nature and Strncture of the Upper Palaeozoic Heat-Altered Coal in Western Henan[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(3): 38-44.

Citation:

Study on the Nature and Strncture of the Upper Palaeozoic Heat-Altered Coal in Western Henan[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(3): 38-44.

Citation:

Study on the Nature and Strncture of the Upper Palaeozoic Heat-Altered Coal in Western Henan[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(3): 38-44.

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