Published Investigations on disposal of low-calorific landfill gases by a small scale fluidised bubbling bed combustion plant by Steinbrecht D., Wolff H.-J., Matzmohr R., Nassour A. and Didik H. 42-50_Steinbrecht_354_9-1.pdf
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