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- [5] Spectral Studies of Humic and Fulvic Acids of Brown Coals CHEMISTRY FOR SUSTAINABLE DEVELOPMENT, 2022, 30 (05): : 505 - 512
- [7] Liquefaction Behavior of Soft Brown Coals. Erdoel und Kohle - Erdgas - Petrochemie. Vereinigt mit Brennstoff-Chemie, 1988, 41 (02): : 81 - 84
- [9] Physicochemical Studies of the Humic, Hymatomelanic and Fulvic Acids of Brown Coals CHEMISTRY FOR SUSTAINABLE DEVELOPMENT, 2023, 31 (05): : 480 - 489