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• Steam activation of oil shale to enhance the porosity of produced semicokePikkor, Heliis; Lees, Heidi; Konist, Alar; Järvik, Oliver; Maaten, BirgitEnergy Sources, Part A : Recovery, Utilization, and Environmental Effects2022 / p. 9064-9073 https://doi.org/10.1080/15567036.2022.2128471 https://www.scopus.com/sourceid/4500151514 https://www.scopus.com/record/display.uri?eid=2-s2.0-85139163161&origin=inward&txGid=5bfc74a1eaaeae40e77a23dee5f96824 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENERG%20SOURCE%20PART%20A&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000861649200001