WASET
    C. Lanzerstorfer,  Air Classification of Dust from Steel Converter Secondary De-dusting for Zinc Enrichment .   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 121(1). 65 - 72
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10006353.