WASET
    N.Setoudeh and  M. Ali Askari Zamani and  N.J.Welham,  Carbothermic Reduction of Mechanically Activated Mixtures of Celestite and Carbon.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2011, vol. 50(2). 159 - 162
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/11381.