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\bibitem{Martin_etal1995} {\textquotedblleft}\textit{A mercury based cuprate with the {\textquotedblleft}2212{\textquotedblright} structure: Hg$_{2-x}$(Cu,Pr)$_{x}$Ba$_{2}$PrCu$_{2}$O$_{8-\delta}$}{\textquotedblright}. Martin C, Hervieu M, Van Tendeloo G, Goutenoire F, Michel C, Maignan A, Raveau B, Solid state communications \textbf{93}, 53 (1995)

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