1Publication1 January, 2012/in Publication/by appdev.itsUmeki K., Moilanen A., Gómez-Barea A., Konttinen J. A model of biomass char gasification describing the change in catalytic activity of ash. 2012. Chemical Engineering Journal. 207-208. 616-624. 10.1016/j.cej.2012.07.025.