Vol 15, Issue 3, 1998
VARIETIES OF SULPHUR IN THE ALGINITE SEQUENCE OF KÖSSEN FACIES FROM THE BOREHOLE REZI Rzt-1 (W-HUNGARY); pp. 221–231
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TEST METHOD FOR THE TOTAL CONTENT OF NON-VOLATILE PHENOLS IN WASTEWATER; pp. 232–238
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OXIDATION OF DICTYONEMA SHALE IN MAARDU MINING WASTE DUMPS; pp. 239–267
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ВЕРОЯТНАЯ ФОРМА НАХОЖДЕНИЯ ЭЛЕМЕНТОВ В МИНЕРАЛЬНОЙ ЧАСТИ КУКЕРСИТА; pp. 268–276
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BIOLOGICAL LEACHING OF SHALES – A REVIEW; pp. 277–294
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FUTURE OF THE ESTONIAN OIL SHALE ENERGY SECTOR; pp. 295–301
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