Sharp, Daniel C., YanPing Qian, Jeffrey Clawson, and Thomas H. Shellhammer. “An Exploratory Study Toward Describing Hop Aroma in Beer Made With American and European Hop Cultivars”. BrewingScience 69, no. 11/12 (December 20, 2016): 112–122. Accessed May 30, 2026. https://brewingscience.de/index.php/brewingscience/article/view/449.