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\bibitem{Hervieu_etal1995} {\textquotedblleft}\textit{Synthesis and characterization of mercury based {\textquotedblleft}1222{\textquotedblright} cuprates (Hg$_{1-x}$M$_{x}$)(Sr,Ba)$_{2}$Pr$_{2}$Cu$_{2}$O$_{9-\delta}$ (M = Pr, Pb, Bi, Tl)}{\textquotedblright}. Hervieu M, Van Tendeloo G, Michel C, Martin C, Maignan A, Raveau B, Journal of solid state chemistry \textbf{115}, 525 (1995).   http://doi.org/10.1006/jssc.1995.1169

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