Pb-210 and Po-210 atmospheric releases via fly ash from oil shale-fired power plantsVaasma, Taavi; Loosaar, Jüri; Gyakwaa,  Francis; Kiisk, Madis; Özden, Banu; Tkaczyk, Alan HenryEnvironmental pollution2017 / p. 210-218 : ill https://doi.org/10.1016/j.envpol.2016.12.054

Radionuclide concentration variations in the fuel and residues of oil shale-fired power plants : estimations of the radiological characteristics over a 2-year periodVaasma, Taavi; Loosaar, Jüri; Kiisk, Madis; Tkaczyk, Alan HenryJournal of environmental radioactivity2017 / p. 25-33 : ill https://doi.org/10.1016/j.jenvrad.2016.10.005

The role of the environment in agreement technologiesArgente, Estefania; Boissier, Olivier; Taveter, KuldarArtificial intelligence review2013 / p. 21-38 : ill