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\bibitem{Lebedev_etal2006} {\textquotedblleft}\textit{Defect structure of ferromagnetic superconducting RuSr$_{2}$GdCu$_{2}$O$_{8}$}{\textquotedblright}. Lebedev OI, Van Tendeloo G, Attfield JP, McLaughlin AC, Physical review : B : condensed matter and materials physics \textbf{73} (2006).   http://doi.org/10.1103/PhysRevB.73.224524

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