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\bibitem{Carballa_etal2011} {\textquotedblleft}\textit{Correlations between molecular and operational parameters in continuous lab-scale anaerobic reactors}{\textquotedblright}. Carballa M, Smits M, Etchebehere C, Boon N, Verstraete W, Applied microbiology and biotechnology \textbf{89}, 303 (2011).   http://doi.org/10.1007/S00253-010-2858-Y

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