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Recent Depositional Environment and Peat Accumulation in the Kunming Basin
1984, 12(5): 2-7.
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Finding of Pyroclstic Rock in Coal-series of late Paleozoic at the Southern Foot of Yanshan Mountain in North China
1984, 12(5): 8-9.
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Review on the Division of Car boniferous Upper and Under Bounds in South China
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1984, 12(5): 10-13.
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A Special Fossil of Petrified Plant-Carbona-ceous Concretion
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1984, 12(5): 14-73.
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Regulation of Coal Ranks of Contact Metamorphic Zone in Guanqiao Coal Field
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1984, 12(5): 18-23.
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Hydrogeological Conditions and Prospecting Methods in Yunzhuang Coal Mine, Jianxi Province
1984, 12(5): 31-34.
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Character of GoaL Water and its Application in the Production of Coal Mnines
1984, 12(5): 34-37.
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Investigation on the Concealed Water in Dune of Quaternary in Xinjiang's Gobi
1984, 12(5): 39-41.
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Principle and Application of CKSW-8 Type Level Recorder
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1984, 12(5): 41-42.
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Analysis of the Non-linear Error in Writing Values of TYEZ-4 Model Combination Logger
1984, 12(5): 43-47,7.
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Analysis of Failure for Drill Clutch and its Improvement
1984, 12(5): 48-49.
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Drilling on Ice near the Border of the Reservoir
1984, 12(5): 50-52.
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