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\bibitem{Rahemi_etal2017} {\textquotedblleft}\textit{Unique opto-electronic structure and photo reduction properties of sulfur doped lead chromates explaining their instability in paintings}{\textquotedblright}. Rahemi V, Sarmadian N, Anaf W, Janssens K, Lamoen D, Partoens B, De Wael K, Analytical chemistry \textbf{89}, 3326 (2017).   http://doi.org/10.1021/ACS.ANALCHEM.6B03803

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