• Firing Estonian oil shale fuel with different quality in circulating fluidized bed boilerPlamus, Kristjan; Nešumajev, Dmitri; Ots, Arvo; Parve, Teet; Pihu, Tõnu; Prikk, Arvi; Rootamm, ReinInternational Oil Shale Symposium : Tallinn, Estonia, June 8-11, 2009 : future energy solutions : come and share your vision!2009 / p. 64-65 http://www.ester.ee/record=b4775098*est