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\bibitem{Tafuri_etal1999} {\textquotedblleft}\textit{YBa$_{2}$Cu$_{3}$O$_{7-x}$ Josephson junctions and dc SQUIDs based on 45$^{\text\{\textdegree}$\} a-axis tilt and twist grain boundaries : atomically clean interfaces for applications}{\textquotedblright}. Tafuri F, Carillo F, Lombardi F, Granozio FM, dii Uccio US, Testa G, Sarnelli E, Verbist K, Van Tendeloo G, Superconductor science and technology
T2 -- International Superconductive Electronics Conference, JUN 21-25, 1999, BERKELEY, CALIFORNIA \textbf{12}, 1007 (1999).   http://doi.org/10.1088/0953-2048/12/11/393

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