共 50 条
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- [8] OCCURRENCE AND DISTRIBUTION OF TRACE-ELEMENTS IN COAL [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1976, 172 (SEP3): : 58 - 58
- [9] SESSION ONE - TRACE-ELEMENTS IN COAL [J]. FUEL PROCESSING TECHNOLOGY, 1994, 39 (1-3) : 107 - 119