Termochemical co-liquefaction of biomass wastes and Estonian oil shale [Electronic resource]Luik, Lea; Luik, Hans; Bitjukov, Mihhail; Kruusement, Kristjan; Sokolova, Julia; Tamvelius, HindrekSuccess & visions for bioenergy. Thermal processing of biomass for bioenergy, biofuels and bioproducts2007 / [8] p. [CD-ROM] Upgrading shale oil heavy fractions with biomass via catalytical hydroprocessing [Electronic resource]Luik, Hans; Luik, Lea; Tiikma, Laine; Vink, Natalia; Kozõreva, JekaterinaSuccess & visions for bioenergy. Thermal processing of biomass for bioenergy, biofuels and bioproducts2007 / [7] p. [CD-ROM]