Crauwels, Sam, et al. “Brettanomyces Bruxellensis, Essential Contributor in Spontaneous Beer Fermentations Providing Novel Opportunities for the Brewing Industry”. BrewingScience, vol. 68, no. 9/10, Oct. 2015, pp. 110-21, https://brewingscience.de/index.php/brewingscience/article/view/321.