Bartoňová, L. , Klika, Z.. "Volatility of Cu, Ni, Cr, Co, Pb, and As in Fluidised-Bed Combustion Chamber in Relation to Their Modes of Occurrence in Coal". World Academy of Science, Engineering and Technology, Open Science Index 33, International Journal of Materials and Metallurgical Engineering, (2009), 3(9), 443 - 446.