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\bibitem{Lebedev_etal2001} {\textquotedblleft}\textit{Structure and properties of the YBa$_{2}$Cu$_{3}$O$_{7-x}$/LaAlO$_{3}$ superlattices}{\textquotedblright}. Lebedev OI, Hamet JF, Van Tendeloo G, Beaumont V, Raveau B, Journal of applied physics \textbf{90}, 5261 (2001).   http://doi.org/10.1063/1.1406963

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