GENETIC DISTRIBUTION TYPES OF ASSOCIATED ELEMENTS IN LATE PERMIAN COAL SEAMS IN EASTERN YUNNAN PROVINCE AND GUIZHOU PROVINCE,CHINA[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(5): 13-17.
Citation:
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GENETIC DISTRIBUTION TYPES OF ASSOCIATED ELEMENTS IN LATE PERMIAN COAL SEAMS IN EASTERN YUNNAN PROVINCE AND GUIZHOU PROVINCE,CHINA[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(5): 13-17.
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GENETIC DISTRIBUTION TYPES OF ASSOCIATED ELEMENTS IN LATE PERMIAN COAL SEAMS IN EASTERN YUNNAN PROVINCE AND GUIZHOU PROVINCE,CHINA[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(5): 13-17.
Citation:
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GENETIC DISTRIBUTION TYPES OF ASSOCIATED ELEMENTS IN LATE PERMIAN COAL SEAMS IN EASTERN YUNNAN PROVINCE AND GUIZHOU PROVINCE,CHINA[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(5): 13-17.
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