The enrichment behavior of natural radionuclides in pulverized oil shale-fired power plantsVaasma, Taavi; Kiisk, Madis; Meriste, Tõnis; Tkaczyk, Alan HenryJournal of environmental radioactivity2014 / p. 427-433 : ill https://doi.org/10.1016/j.jenvrad.2014.02.027 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS