Johansson, C.-G. “Determination of Total Nitrogen in Barley and Malt by Combustion Method. Collaborative Trial: Submitted on Behalf of the Analysis Committee of EBC”. BrewingScience 49, no. 11/12 (December 20, 1996): 326–328. Accessed May 31, 2026. https://brewingscience.de/index.php/brewingscience/article/view/751.