• CO2 and SO2 emissions in Estonia in the period 2000-2030Kuhi-Thalfeldt, Reeli; Valtin, Juhan7th International Symposium "Topical Problems in the Field of Electrical and Power Engineering" : Doctoral School of Energy and Geotechnology. II : [Narva-Jõesuu, Estonia, 16.06-19.06.2009]2009 / p. 47-56 : ill