Gahr A, Forster A, Van Opstaele F. Reproducibility Trials in a Research Brewery and Effects on the Evaluation of Hop Substances in Beer. - Part 1: Reproducibility in fresh beers. . BrSc. 2016;69(11/12):103-111. Accessed May 30, 2026. https://brewingscience.de/index.php/brewingscience/article/view/301