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\bibitem{Hodges_etal1996} {\textquotedblleft}\textit{Observation of superconductivity (Tc = 50K) in a new tetragonal alkaline-earth cuprate Sr$_{0.8}$Ba$_{1.2}$CuO$_{3+\delta}$ synthesised at ambient pressure}{\textquotedblright}. Hodges JP, Slater PR, Edwards PP, Greaves C, Slaski M, Van Tendeloo G, Amelinckx S, Physica: C : superconductivity \textbf{260}, 249 (1996).   http://doi.org/10.1016/0921-4534(96)00118-9

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