Vera Varazashvili and  Murman Tsarakhov and  Tamar Mirianashvili and  Teimuraz Pavlenishvili and  Tengiz Machaladze and  Mzia Khundadze,  Thermodynamic Approach of Lanthanide-Iron Double Oxides Formation.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2015, vol. 105(9). 1109 - 1112
    [viewed 25 May 2020]. Available from: https://publications.waset.org/pdf/10002237.