N. James and U. Stahl, “Amino Acid Permeases and their Influence on Flavour Compounds in Beer”, BrSc, vol. 67, no. 9/10, pp. 120–127, Oct. 2014, Accessed: May 30, 2026. [Online]. Available: https://brewingscience.de/index.php/brewingscience/article/view/371