• Acidic pH enhances butyrate production from pectin by faecal microbiotaRaba, Grete; Adamberg, Signe; Adamberg, KaarelFEMS Microbiology Letters2021 / art. fnab042 https://doi.org/10.1093/femsle/fnab042 https://www.scopus.com/sourceid/19706 https://www.scopus.com/record/display.uri?eid=2-s2.0-85106068862&origin=inward&txGid=198066b9fd192e2ddb34332c08fef477 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=FEMS%20MICROBIOL%20LETT&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000656153400005
• Lake Võrtsjärv2004 https://www.ester.ee/record=b1992408*est
• PeipsiHaberman, Juta; Timm, Tarmo; Raukas, Anto; Borissov, Vladimir; Miidel, Avo; Tavast, Elvi; Loigu, Enn; Leisk, Ülle; Iital, Arvo; Pachel, Karin2008 https://www.ester.ee/record=b2341036*est
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• Псковско-Чудское озеро2012 https://www.ester.ee/record=b2775594*est