WASET
    A. Karnis and  L. Gautron,  Promising Immobilization of Cadmium and Lead inside Ca-rich Glass-ceramics.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2009, vol. 28(4). 100 - 103
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/2695.