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\bibitem{Calestani_etal1993} {\textquotedblleft}\textit{Effects of the annealing conditions on the structural and superconducting properties of Bi$_{2-x}$Pb$_{x}$Sr$_{2}$Y$_{0.2}$Ca$_{0.8}$Cu$_{2}$O$_{z}$}{\textquotedblright}. Calestani G, Salsi G, Francesconi MG, Masini M, Dimesso L, Migliori A, Zhang XF, Van Tendeloo G, Physica: C : superconductivity \textbf{206}, 33 (1993).   http://doi.org/10.1016/0921-4534(93)90698-P

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