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\bibitem{Bittencourt_etal2013} {\textquotedblleft}\textit{NEXAFS spectromicroscopy of suspended carbon nanohorns}{\textquotedblright}. Bittencourt C, Ke X, Van Tendeloo G, Tagmatarchis N, Guttmann P, Chemical physics letters \textbf{587}, 85 (2013).   http://doi.org/10.1016/j.cplett.2013.09.034

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