Published Slag and ash chemistry after high-calcium lignite combustion in a pulverized coal-fired power plant by Papastergios G., Fernandez –Turiel J.L., Georgakopoulos A. and Gimeno D. 77-82_Papastergios_358_9-1.pdf
Published Monitoring of the particles above the unpaved road by lidar technique by Koren Likar U. and Eichinger W. 309-316_652_Likar_13-4.pdf