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\bibitem{VanGrieken_etal2005} {\textquotedblleft}\textit{Some studies of the effect of indoor and outdoor pollutants on cultural heritage items}{\textquotedblright}. Van Grieken R, Kontozova V, Godoi RHM, Spolnik Z, Worobiec A, Deutsch F, Bencs L,  (2005)

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