F. J. M. Freijee, “Determination of the high molecular weight β-glucan content of malt wort by a spectrophotometric method – determination of the accuracy, repeatability and reproducibility: Submitted on behalf of the EBC Analysis Committee”, BrSc, vol. 59, no. 11/12, pp. 27–29, Dec. 2005, Accessed: May 30, 2026. [Online]. Available: https://brewingscience.de/index.php/brewingscience/article/view/529