99/01779 Selective leaching characteristics of samples of the Pittsburgh and Illinois #6 coal beds: Mroczkowski, S. J. et al. Prepr. Ext. Abstr. ACS Natl. Meet., Am. Chem. Soc., Div. Environ. Chem., 1998, 38, (2), 200–203
Zdroj: | In Fuel and Energy Abstracts 1999 40(3):186-186 |
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Databáze: | ScienceDirect |
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