Takoi, Kiyoshi, et al. “Varietal Difference of Hop-Derived Flavour Compounds in Late-Hopped Dry-Hopped Beers”. BrewingScience, vol. 69, no. 1/2, Feb. 2016, pp. 1-7, https://brewingscience.de/index.php/brewingscience/article/view/284.