Olšovská, Jana, Karel Štěrba, Martin Slabý, and Tomáš Vrzal. “Novel Method for Determination of Heterocyclic Compounds and Their Impact in Brewing Technology”. KVASNY PRUMYSL 67, no. 2 (April 15, 2021): 417-427. Accessed August 2, 2021. https://www.kvasnyprumysl.eu/index.php/kp/article/view/242.