• Impact of oil shale use on greenhouse gas emission projections from energy sector in EstoniaRoos, Inge; Soosaar, Sulev; Terno, OlafInternational Oil Shale Symposium : Tallinn, Estonia, June 8-11, 2009 : future energy solutions : come and share your vision!2009 / p. 52-53 http://www.ester.ee/record=b4775098*est