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\bibitem{Froeba_etal1999} {\textquotedblleft}\textit{_Fe$_{2}$O$_{3}$ nanoparticles with mesoporous MCM-48 silica: in situ formation and characterisation}{\textquotedblright}. Fr{\"o}ba M, K{\"o}hn R, Bouffaud G, Richard O, Van Tendeloo G, Chemistry of materials \textbf{11}, 2858 (1999).   http://doi.org/10.1021/cm991048i

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