Published Utilization of calcium sulfide derived from waste gypsum board for metal-containing wastewater treatment by Mihara N., Soya K., Kuchar D., Fujuta T. and Matsuda H. 101-107_505_Mihara_10-1.pdf
Published Environmental impacts at coal waste disposal sites-efficiency of desulphurization technologies by Komnitsas K., Paspaliaris I. Zilberchmidt M. and Groudev S. komnitsas109-116.pdf