- Comparison of two technologies for burning Estonian oil shale : bubbling fluidized bed and circulating fluidized bedDuĊĦenko, Veera; Mere, HarriAbstracts : Symposium on Oil Shale 2002, 18-21 November 2002, Tallinn, Estonia2002 / p. 67-68 https://www.ester.ee/record=b1703301*est