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\bibitem{Mazo_etal2007} {\textquotedblleft}\textit{Lanthanum-strontium cuprate as a promising cathodic matreila for solid oxide fuel cells}{\textquotedblright}. Mazo GN, Savvin SN, Abakumov AM, Hadermann J, Dobrovol{\textquoteright}skii YA, Leonova LS, Russian journal of electrochemistry \textbf{43}, 436 (2007).   http://doi.org/10.1134/S1023193507040106

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