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\bibitem{Kolchina_etal2016} {\textquotedblleft}\textit{Evaluation of Ce-doped Pr$_{2}$CuO$_{4}$for potential application as a cathode material for solid oxide fuel cells}{\textquotedblright}. Kolchina L~M, Lyskov NV, Kuznetsov AN, Kazakov SM, Galin MZ, Meledin A, Abakumov AM, Bredikhin SI, Mazo GN, Antipov EV, RSC advances \textbf{6}, 101029 (2016).   http://doi.org/10.1039/C6RA21970E

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