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\bibitem{Koch_etal2020} {\textquotedblleft}\textit{Urban heat stress mitigation potential of green walls: A review}{\textquotedblright}. Koch K, Ysebaert T, Denys S, Samson R, Urban Forestry \& Urban Greening \textbf{55}, 126843 (2020).   http://doi.org/10.1016/J.UFUG.2020.126843

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