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\bibitem{Abakumov_etal2000} {\textquotedblleft}\textit{Synthesis and crystal structure of a new complex oxyfluoride La$_{0.813}$Sr$_{0.187}$Cu(o,F)$_{3-\delta}$}{\textquotedblright}. Abakumov AM, Hadermann J, Rozova MG, Pavljuk BP, Antipov EV, Lebedev OI, Van Tendeloo G, Journal of solid state cemistry \textbf{149}, 189 (2000).   http://doi.org/10.1006/jssc.1999.8521

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