Properties and environmental impact of oil shale ash landfillsPihu, Tõnu; Konist, Alar; Puura, Erik; Liira, Martin; Kirsimäe, KalleOil shale2019 / p. 257–270 : ill http://www.kirj.ee/public/oilshale_pdf/2019/issue_2/OS-2019-2-257-270.pdf https://doi.org/10.3176/oil.2019.2.01 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS