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\bibitem{Creon_etal2006} {\textquotedblleft}\textit{Double modulation and microstructure of the thermoelectric misfit compound \left[Ca$_{2-y}$Ln$_{y}$Cu$_{0.7+y}$Co$_{1.3-y}$O$_{4}$\right]\left[CoO$_{2}$\right]$_{b_\{1}$/b$_{2}$\} (Ln = Pr, Y and 0\leq y\leq1/3)}{\textquotedblright}. Cr{\'e}on N, P{\'e}rez O, Hadermann J, Klein Y, H{\'e}bert S, Hervieu M, Raveau B, Chemistry of materials \textbf{18}, 5355 (2006).   http://doi.org/10.1021/cm061163a

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