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\bibitem{Mefford_etal2019} {\textquotedblleft}\textit{Decoupling the roles of carbon and metal oxides on the electrocatalytic reduction of oxygen on La$_{1-x}$Sr$_{x}$CoO$_{3-\delta}$ perovskite composite electrodes}{\textquotedblright}. Mefford JT, Kurilovich AA, Saunders J, Hardin WG, Abakumov AM, Forslund RP, Bonnefont A, Dai S, Johnston KP, Stevenson KJ, Physical chemistry, chemical physics \textbf{21}, 3327 (2019).   http://doi.org/10.1039/C8CP06268D

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