KALKAN, H., M. KAPLAN, and Șule ORMAN. “Revegetation of Abandoned Sulphur Flotation Waste in Keciborlu, Isparta/Turkey: Heavy Metals Concentrations of Growing Media and Agropyron Elongatum Grass”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, vol. 42, no. 2, Dec. 2014, pp. 340-6, doi:10.15835/nbha4229650.