Modelling of oil shale concentration processes in Estonian minesPastarus, Jüri-Rivaldo; Reinsalu, Enno; Saarnak, MartinInternational journal of mining, reclamation and environment2015 / p. 213-225 : ill https://doi.org/10.1080/17480930.2014.962807 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS