Characteristics of flame at burning on grateVeski, Ants; Paist, Aadu; Tiikma, Toomas; Borovikov, VitaliProceedings of 2nd World Conference on Biomass for Energy, Industry and Climate Protection : 10-14 May 2004, Rome2004 / p. 1326-1329 Sustainable balance of biofuels supply-demand in EstoniaMuiste, Peeter; Roostalu, H.; Padari, Allar; Paist, Aadu; Kask, Ülo; Orru, MallProceedings of 2nd World Conference on Biomass for Energy, Industry and Climate Protection : 10-14 May 2004, Rome2004 / p. 568-571