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\bibitem{Milat_etal1992} {\textquotedblleft}\textit{The incommensurate structure of (Sr, Ca)14Cu24O41: a study by electron diffraction and high-resolution microscopy}{\textquotedblright}. Milat O, Van Tendeloo G, Amelinckx S, Mehbod M, Deltour R, Acta crystallographica \textbf{A48}, 618 (1992).   http://doi.org/10.1107/S0108767392002204

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