METAL CONCENTRATIONS IN SOME SOUTH-AFRICAN COALS

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作者：

WATLING, RJ

WATLING, HR

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来源：

SOUTH AFRICAN JOURNAL OF SCIENCE | 1982年 / 78卷 / 04期

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O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

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页码：164 / 166

页数：3

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