• Mineral CO2 sequestration by aqueous carbonation of oil shale ash from Estonian power productionUibu, Mai; Kuusik, Rein, keemikInternational Oil Shale Symposium : Tallinn, Estonia, June 8-11, 2009 : future energy solutions : come and share your vision!2009 / p. 66-67 http://www.ester.ee/record=b4775098*est