Lutz, anton, Klaus Kammhuber, and Elisabeth Seigner. “New Trend in Hop Breeding at the Hop Research Center Huell”. BrewingScience 65, no. 3/4 (April 30, 2012): 24–32. Accessed May 30, 2026. https://brewingscience.de/index.php/brewingscience/article/view/383.