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Find of Chamositic Mudstone in South Jiansu and its Significance
1987, 15(2): 1-5.
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Relationship between the Gas Content and the Depositional Environment of Coal Seams in Longtan Formation, South China
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1987, 15(2): 5-10.
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Evolution of Early and Late Jurassic Coal Accumulation in Yuling-Shenmu-Fugu Area, Ordos Basin
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1987, 15(2): 10-15.
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Catastrophic Event in Permian-Triassic Boundary and Early Triassic Coal Forming Process
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1987, 15(2): 16-20.
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Discussion on the Lost Strata-Structures in Margine of Ludian-Gaocheng Coal Basin
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1987, 15(2): 20-25,74.
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Theorical Study on the Stability of Waterproof Pillar in Coal Mines
1987, 15(2): 37-42.
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Fuzzy Control Method to Predict Discharge in Collieries
1987, 15(2): 42-46.
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Karst in Heshan Coal Field
1987, 15(2): 47-51.
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Derign and Practice of Type DZ-1 Numerical Electric Survey System
1987, 15(2): 51-55.
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Type-8049 Clayfree Drilling Fluid
1987, 15(2): 56-58.
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Application of Rotary-Percussion Drilling to Drilling Conglomerate
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1987, 15(2): 59-62.
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