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\bibitem{Kim_etal2015} {\textquotedblleft}\textit{Selective recovery of Cr from stainless steel slag by alkaline roasting followed by water leaching}{\textquotedblright}. Kim E, Spooren J, Broos K, Horckmans L, Quaghebeur M, Vrancken KC, Hydrometallurgy \textbf{158}, 139 (2015).   http://doi.org/10.1016/J.HYDROMET.2015.10.024

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