Bohak, Ingrid, Karin Thelen, and Claudia Beimfohr. “Description of Lactobacillus Backi Sp. Nov., an Obligate Beer-Spoiling Bacterium”. BrewingScience 59, no. 3/4 (April 28, 2006): 78–82. Accessed May 30, 2026. https://brewingscience.de/index.php/brewingscience/article/view/521.