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\bibitem{Ye_etal1997} {\textquotedblleft}\textit{Structural properties of c-axis oriented epitaxial YBa$_{2}$Cu$_{3}$O$_{7-\delta}$ thin films}{\textquotedblright}. Ye M, Schroeder J, Deltour R, Delplancke MP, Winand R, Verbist K, Van Tendeloo G, Superlattices and microstructures \textbf{21}, 287 (1997)

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