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\bibitem{Stuyck_etal2022} {\textquotedblleft}\textit{Sustainable formation of tricarballylic acid from citric acid over highly stable Pd/Nb2O5.nH2O catalysts}{\textquotedblright}. Stuyck W, Bugaev AL, Nelis T, de Oliveira-Silva R, Smolders S, Usoltsev OA, Arenas Esteban D, Bals S, Sakellariou D, De Vos D, Journal of catalysis  (2022).   http://doi.org/10.1016/j.jcat.2022.02.013

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