THE DEVELOPMENT OF COMPLEX TECHNOLOGY FOR BOTTOMHOLE COMBUSTION IN BITUMEN WELLS; pp. 3–9

SOLUBILITY OF MAOMING OIL SHALE KEROGEN; pp. 11–16

STRUCTURAL CHARACTERIZATION OF MAOMING OIL SHALE KEROGEN; pp. 17–23

UPGRADING OF ESTONIAN SHALE OIL DISTILLATION FRACTIONS.
5. HYDROGENATION OF HEAVY MAZUTE; pp. 25–30

UPGRADING OF ESTONIAN SHALE OIL DISTILLATION FRACTIONS.
6. THE EFFECT OF TIME AND TEMPERATURE! ON THE YIELD AND COMPOSITION OF HEAVY MAZUTE HYDROGENATION PRODUCTS; pp. 31–36

CALORIFIC VALUE AND AMOUNTS OF OIL SHALE DELIVERED TO POWER PLANTS FROM MINES AND OPENCASTS IN 1968–1997; pp. 37–44

EVALUATION OF VARIABILITY OF ESTONIAN OIL SHALE QUALITY CHARACTERISTICS; pp. 45–50

NATURAL REMOVAL OF POISON GAS IMPURITIES IN OIL-SHALE MINES ATMOSPHERES; pp. 51–60

PRODUCTION OF AROMATIC HYDROCARBONS BY PYROLYSIS OF PULVERIZED SHALE; pp. 61–64