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Walter A, Franke-Whittle IH, Wagner AO, Insam H.Walter A, et al. Among authors: franke whittle ih.Bioresour Technol. 2015 Jan;175:619-23. doi: 10.1016/j.biortech.2014.10.085. Epub 2014 Oct 24.Bioresour Technol. 2015.PMID: 25453442