Characterization of oil shale kerogen semi-coke and its application to remove chemical pollutants from aqueous solutionsLees, Heidi; Jõul, Piia; Pikkor, Heliis; Järvik, Oliver; Mets, Birgit; Konist, AlarOil shale2023 / p. 115-132 : ill https://doi.org/10.3176/oil.2023.2.02 Oxidative treatment of phenolic wastewater disposed into the Gulf of Finland from oil shale processing industry in EstoniaKamenev, Sven; Preis, SergeiThe Baltic Sea and Its Environment : ESTO-96 Twin Symposium, August 6 and 9, 1996, Stockholm-Tallinn1997 / p. 73-74 Study of the toxicological impact of different components of ash-heap water (sulphur rich phenolic leachate) using luminescent bacteria as test organismsKahru, Anne; Kurvet, M.; Kurvet, ImbiOil shale1997 / 4, Special, p. 469-475