Gahr A, Forster A, Schüll F, Faltermaier S, Kellerer F. The stability of bitter substances in beer during the ageing process. BrSc [Internet]. 2020 Dec. 18 [cited 2026 Jun. 19];73(11/12):149-57. Available from: https://brewingscience.de/index.php/brewingscience/article/view/231