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\bibitem{Efimov_etal2010} {\textquotedblleft}\textit{Transmission electron microscopy study of BA$_{0.5}$Sr$_{0.5}$CO$_{0.8}$Fe$_{0.2}$O$_{3-\delta}$ Perovskite decomposition at intermediate temperatures}{\textquotedblright}. Efimov K, Xu Q, Feldhoff A, Chemistry of materials \textbf{22}, 5866 (2010).   http://doi.org/10.1021/cm101745v

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