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\bibitem{Ye_etal2001} Ye, Z. H., Whiting, S. N., Qian, J. H., Lytle, C. M., Lin, Z. Q., \& Terry, N. (2001). Trace element removal from coal ash leachate by a 10-year-old constructed wetland. \textit{J. Environ. Qual.}, \textit{30}(5), 1710--1719.

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