[1]
D. W. Lachenmeier, S. Triebel, and E. Lerch, “Bitterness Units in beer: retrospective trends and current concept of commerce”, BrSc, vol. 60, no. 11/12, pp. 1–2, Dec. 2006, Accessed: May 30, 2026. [Online]. Available: https://brewingscience.de/index.php/brewingscience/article/view/502