• Decarbonisation of Estonian oil shale industry : framework and categories definitionEldermann, Meelis; Siirde, Andres; Gušča, JulijaEnergy procedia2017 / p. 77-81 : ill https://doi.org/10.1016/j.egypro.2017.04.020 https://www.scopus.com/sourceid/17700156736 https://www.scopus.com/record/display.uri?eid=2-s2.0-85020745371&origin=inward&txGid=58791170b4bb4b285fa36d092ab4a620 https://www.webofscience.com/wos/woscc/full-record/WOS:000416786300012