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\bibitem{Bertoni_etal2006} {\textquotedblleft}\textit{Quantification of crystalline and amorphous content in porous TiO$_{2}$ samples from electron energy loss spectroscopy}{\textquotedblright}. Bertoni G, Beyers E, Verbeeck J, Mertens M, Cool P, Vansant EF, Van Tendeloo G, Ultramicroscopy \textbf{106}, 630 (2006).   http://doi.org/10.1016/j.ultramic.2006.03.006

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