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\bibitem{Charkin_etal2015} {\textquotedblleft}\textit{Synthesis and cation distribution in the new bismuth oxyhalides with the Sillen-Aurivillius intergrowth structures}{\textquotedblright}. Charkin DO, Akinfiev VS, Alekseeva AM, Batuk M, Abakumov AM, Kazakov SM, Journal of the Chemical Society : Dalton transactions \textbf{44}, 20568 (2015).   http://doi.org/10.1039/c5dt02620b

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