• 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 https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-85070648251&origin=inward&txGid=1ea9fabe23486750a326bbe92b8acbff https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000470019700001