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\bibitem{Lebrini_etal2011} Lebrini, M., Roos, C., Vezin, H., \& Robert, F. (2011). Electrochemical and theoretical studies of adsorption of some indole derivates at C38 Steel/Sulfuric acid interface as corrosion inhibitors. \textit{Int.J.Electrochem.Sci.}, \textit{6}(9), 3844--3857.

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