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\bibitem{Cerruti_etal2020} {\textquotedblleft}\textit{Enrichment and aggregation of purple non-sulfur bacteria in a mixed-culture sequencing-batch photobioreactor for biological nutrient removal from wastewater}{\textquotedblright}. Cerruti M, Stevens B, Ebrahimi S, Alloul A, Vlaeminck SE, Weissbrodt DG, Frontiers in Bioengineering and Biotechnology \textbf{8}, 557234 (2020).   http://doi.org/10.3389/FBIOE.2020.557234

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