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\bibitem{Witters_etal2012} {\textquotedblleft}\textit{Phytoremediation, a sustainable remediation technology? 2 : economic assessment of CO2 abatement through the use of phytoremediation crops for renewable energy production}{\textquotedblright}. Witters N, Mendelsohn R, Van Passel S, Van Slycken S, Weyens N, Schreurs E, Meers E, Tack F, Vanheusden B, Vangronsveld J, Biomass \& Bioenergy \textbf{39}, 470 (2012).   http://doi.org/10.1016/J.BIOMBIOE.2011.11.017

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