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\bibitem{VanTendeloo_etal1994} {\textquotedblleft}\textit{Atomic structure and defect structure of the superconducting HgBa$_{2}$Ca$_{n-1}$Cu$_{n}$O$_{2n+2+\delta}$ homologous series}{\textquotedblright}. Van Tendeloo G, Chaillout C, Capponi JJ, Marezio M, Antipov EV, Physica: C : superconductivity \textbf{223}, 219 (1994).   http://doi.org/10.1016/0921-4534(94)91264-5

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