• Gasification and liquefaction of solid fuels by hydrothermal conversion methodsKruusement, Kristjan; Luik, Hans; Waldner, Maurice; Vogel, Frederic; Luik, LeaJournal of analytical and applied pyrolysis2014 / p. 265-273 : ill https://doi.org/10.1016/j.jaap.2014.04.006 https://www.scopus.com/sourceid/24154 https://www.scopus.com/record/display.uri?eid=2-s2.0-84903300615&origin=inward&txGid=c49f58ef14277d1b0b7445d10a205324 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20ANAL%20APPL%20PYROL&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000339598900031
• Liquefaction and gasification of Estonian oil shales in the medium of hot compressed waterKruusement, Kristjan; Luik, Hans; Luik, Lea; Palu, Vilja; Vink, Natalia; Vogel, FredericInternational Oil Shale Symposium : Tallinn, Estonia, June 8-11, 2009 : future energy solutions : come and share your vision!2009 / p. 42-43 http://www.ester.ee/record=b4775098*est