ILMAR ÖPIK – 85; pp. 99–102

PROFESSOR ILMAR ÖPIK – A SYMBOL OF ESTONIAN ENGINEERING MIND; pp. 103–108

EXPERIMENTAL OIL SHALE RETORT WITH SEPARATE TAKE-OFF OF OIL VAPOURS AND GASIFICATION GAS; pp. 109–114

POSSIBILITIES OF DEEPER DESULFURIZATION OF FLUE GASES BY OIL SHALE ASH COMPONENTS IN DIFFERENT BURNING TECHNOLOGIES; pp. 115–131

HIGH-SULFUR SHALE OIL AS A COMPONENT OF RUBBER STOCKS; pp. 133–142

ИЗВЛЕЧЕНИЕ ПРИРОДНОГО БИТУМА ИЗ БИТУМОНОСНЫХ КАРБОНАТНЫХ ПОРОД; pp. 143–153

BLAST VIBRATIONS IN OIL SHALE SURFACE MINING; pp. 155–162

ОСАЖДЕНИЕ МАКРО- И МИКРОЭЛЕМЕНТОВ С АТМОСФЕРНЫМИ СЛАНЦЕЗОЛЬНЫМИ ВЫБРОСАМИ НА СЕВЕРО-ВОСТОКЕ ЭСТОНИИ; pp. 163–170

COMBUSTION OF SPENT SHALE IN FLUIDIZED BED; pp. 171–183

Werner KIKAS – 80; p. 185