WASET
    B. S. Boyanov and  A. B. Peltekov and  K. I. Ivanov,  Ferrites of the MeFe2O4 System (Me – Zn, Cu, Cd) and Their Two Faces.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 102(6). 765 - 771
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10002705.