• 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 https://www.scopus.com/sourceid/23916 https://www.scopus.com/record/display.uri?eid=2-s2.0-85008449960&origin=inward&txGid=7dcdd7bceb0d0e09fd63474693822b4b https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20ENVIRON%20RADIOACTIV&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000401600200012
• The enrichment of natural radionuclides in oil shale-fired power plants in Estonia - The impact of new circulating fluidized bed technologyVaasma, Taavi; Kiisk, Madis; Meriste, Tõnis; Tkaczyk, Alan HenryJournal of environmental radioactivity2014 / p. 133-139 : ill https://doi.org/10.1016/j.jenvrad.2014.01.002 https://www.scopus.com/sourceid/23388 https://www.scopus.com/record/display.uri?eid=2-s2.0-84892845114&origin=inward&txGid=5f0104f0e5eecc61bf49b351e211c0d7 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20ENVIRON%20RADIOACTIV&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000334484300018