• Abatement of CO2 emission in Estonian energy sector [Electronic resource]Uibu, Mai; Kuusik, Rein, keemik; Veskimäe, HelgiVI International Symposium & Exhibition on Environmental Contamination in Central and Eastern Europe and the Commonwealth of Independent States : Prague, Czech Republic, 1-4 Sept. 2003 : proceedings2004 / [5] p. [CD-ROM]