Synergy in co-liquefaction of oil shale and willow in supercritical waterJohannes, Ille; Luik, Hans; Palu, Vilja; Kruusement, Kristjan; Gregor, AndreFuel2015 / p. 180-187 : ill https://doi.org/10.1016/j.fuel.2014.12.031 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS