Environmental impact of oil shale miningVäizene, Vivika; Valgma, Ingo; Karu, Veiko; Orru, MallEnvironmental earth sciences2016 / art. 1201, p. 1-14 : ill https://doi.org/10.1007/s12665-016-5996-4

Possibilities of oil shale mining under the Selisoo mire of the Estonia oil shale depositOrru, Mall; Väizene, Vivika; Pastarus, Jüri-Rivaldo; Sõstra, Ülo; Valgma, IngoEnvironmental earth sciences2013 / p. 3311-3321 : ill