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\bibitem{Nistor_etal1997} {\textquotedblleft}\textit{Nanocrystalline diamond films: transmission electron microscopy and Raman spectroscopy characterization}{\textquotedblright}. Nistor LC, van Landuyt J, Ralchenko VG, Obratzova ED, Smolin AA, Diamond and related materials \textbf{6}, 159 (1997)

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