Möller-Hergt, Gustavo, et al. “Method Development for Determination and Quantification of Ethanol in Alcohol- Free Beer – Comparison of Size Exclusion Chromatography (SEC), Enzymatic- and GC Methods”. BrewingScience, vol. 58, no. 3/4, Apr. 2005, pp. 18-22, https://brewingscience.de/index.php/brewingscience/article/view/544.