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\bibitem{Wiessner_etal2006} Wiessner, A., Kuschk, P., Buddhawong, S., Stottmeister, U., Mattusch, J., \& K{\"a}stner, M. (2006). Effectiveness of various small-scale constructed wetland designs for the removal of iron and zinc from acid mine drainage under field conditions. \textit{Engineering in Life Sciences}, \textit{6}(6), 584--592.

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