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\bibitem{Ye_etal1996} {\textquotedblleft}\textit{Structural properties of Zn-substituted epitaxial YBa$_{2}$Cu$_{3}$O$_{7-\delta}$ thin films}{\textquotedblright}. Ye M, Schroeder J, Mehbod M, Deltour R, Naessens G, Duvigneaud PH, Verbist K, Van Tendeloo G, Superconductor science and technology \textbf{9}, 543 (1996).   http://doi.org/10.1088/0953-2048/9/7/006

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