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\bibitem{Barreca_etal2019} {\textquotedblleft}\textit{Multi-functional MnO$_{2}$nanomaterials for photo-activated applications by a plasma-assisted fabrication route}{\textquotedblright}. Barreca D, Gri F, Gasparotto A, Carraro G, Bigiani L, Altantzis T, {\v Z}ener B, Lavren{\v c}i{\v c} {\v S}tangar U, Alessi B, Padmanaban DB, Mariotti D, Maccato C, Nanoscale \textbf{11}, 98 (2019).   http://doi.org/10.1039/C8NR06468G

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