Benard, M. “Determination of Repeatability and Reproducibility of EBC Accepted Methods: V – Beer: Submitted on Behalf of the Analysis Committee of the European Brewery Convention”. BrewingScience, vol. 53, no. 5/6, June 2000, pp. 101-4, https://brewingscience.de/index.php/brewingscience/article/view/662.