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\bibitem{Maignan_etal1993} {\textquotedblleft}\textit{Superconductivity up to 110K in the 1212-Hg based cuprate Nd$_{1-x}$Ca$_{x}$Ba$_{2}$Hg$_{1-x}$Cu$_{2+x}$O$_{6+y}$}{\textquotedblright}. Maignan A, Michel C, Van Tendeloo G, Hervieu M, Raveau B, Physica: C : superconductivity \textbf{216}, 1 (1993)

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