ESTONIAN OIL SHALE ENERGY, WHEN WILL IT COME TO AN END?; pp. 257–264

LOW-SULPHUR OIL SHALE RESEARCH AND EXPERIMENTAL PROCESSING; pp. 265–285

IMPROVEMENT STUDY FOR THE DEPHENOLIZATION PLANT AT THE RAS “KIVITER” OIL SHALE PROCESSING FACILITY; pp. 287–308

IMPACT OF AIR POLLUTANTS EMITTED FROM THE OIL SHALE INDUSTRY ON CONIFERS; pp. 309–324

LABORATORY EXPERIMENTS AND MATHEMATICAL MODELLING OF OIL SHALE FLUIDIZED COMBUSTION AND SULFUR DIOXIDE EVOLUTION; pp. 325–331

ИССЛЕДОВАНИЕ НЕИЗОТЕРМИЧЕСКОЙ СТАДИИЙ СКОРОСТНОГО ПИРОЛИЗА ПРИБАЛТИЙСКОГО СЛАНЦА; pp. 333–340

THE NATURE OF POTASSIUM IN TREMADOCIAN DICTYONEMA SHALE (ESTONIA); pp. 341–350