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\bibitem{Anitha_etal2013} {\textquotedblleft}\textit{Restoration of X-ray fluorescence images of hidden paintings}{\textquotedblright}. Anitha A, Brasoveanu A, Duarte M, Hughes S, Daubechies I, Dik J, Janssens K, Alfeld M, Signal processing \textbf{93}, 592 (2013).   http://doi.org/10.1016/J.SIGPRO.2012.09.027

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