Koukouzas, N., J. Hämäläinen, D. Papanikolaou, A. Tourunen, and T. Jäntti. “MINERALOGICAL AND CHEMICAL COMPOSITION OF CFB FLY ASH DERIVED FROM CO-COMBUSTION OF XYLITE AND BIOMASS”. Bulletin of the Geological Society of Greece, vol. 40, no. 2, Jan. 2007, pp. 859-71, doi:10.12681/bgsg.16733.