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\bibitem{Mallick_etal2021} {\textquotedblleft}\textit{The influence of the 6s{\texttwosuperior} configuration of Bi{\textthreesuperior}+ on the structures of A {\textquoteright} BiNb$_{2}$O$_{7}$ (A {\textquoteright} = Rb, Na, Li) layered perovskite oxides}{\textquotedblright}. Mallick S, Khalsa G, Kaaret JZ, Zhang W, Batuk M, Gibbs AS, Hadermann J, Halasyamani PS, Benedek NA, Hayward MA, Journal of the Chemical Society : Dalton transactions \textbf{50}, 15359 (2021).   http://doi.org/10.1039/D1DT02974F

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