L. Gabel, K. Glas, F. Jacob, A. Friess, and H. Parlar, “Efficient Formation of Iso-Humulones in Aqueous Hop Solutions at Low Temperatures”, BrSc, vol. 61, no. 1/2, pp. 25–31, Feb. 2008, Accessed: May 30, 2026. [Online]. Available: https://brewingscience.de/index.php/brewingscience/article/view/432