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\bibitem{Groat_etal1996} {\textquotedblleft}\textit{A synchrotron radiation, HRTEM, X-ray powder diffraction, and Raman spectroscopic study of malayaite, CaSnSiO$_{5}$}{\textquotedblright}. Groat LA, Kek S, Bismayer U, Schmidt C, Krane HG, Meyer H, Nistor L, Van Tendeloo G, The American mineralogist \textbf{81}, 595 (1996)

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