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\bibitem{Tang_etal2017} {\textquotedblleft}\textit{Magnetic properties of the 6H perovskite Ba$_{3}$Fe$_{2}$TeO$_{9}$}{\textquotedblright}. Tang Y, Sena RP, Aydeev M, Battle PD, Cadogan JM, Hadermann J, Hunter EC, Journal of solid state chemistry \textbf{253}, 347 (2017).   http://doi.org/10.1016/J.JSSC.2017.06.019

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