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\bibitem{Koblischka_etal2009} {\textquotedblleft}\textit{Observation of nanostripes and -clusters in (Nd, EuGd)Ba$_{2}$Cu$_{3}$O$_{x}$ superconductors}{\textquotedblright}. Koblischka MR, Winter M, Das P, Koblischka-Veneva A, Muralidhar M, Wolf T, Babu NH, Turner S, Van Tendeloo G, Hartmann U, Physica: C : superconductivity \textbf{469}, 168 (2009).   http://doi.org/10.1016/j.physc.2009.01.007

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