Identification of Geological-Age on the Jurassic Coal-Bearing Strata in Northern Zhangjiakou Region[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(5): 21-22.
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Citation:
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Identification of Geological-Age on the Jurassic Coal-Bearing Strata in Northern Zhangjiakou Region[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(5): 21-22.
|
Identification of Geological-Age on the Jurassic Coal-Bearing Strata in Northern Zhangjiakou Region[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(5): 21-22.
|
Citation:
|
Identification of Geological-Age on the Jurassic Coal-Bearing Strata in Northern Zhangjiakou Region[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(5): 21-22.
|
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