BIENDL, Martin; FOSTER, Bob. New International Calibration Standard (ICE-4) for HPLC Analysis of α- and β-acids: Submitted on behalf of the International Hop Standards Committee. BrewingScience, [S. l.], v. 71, n. 7/8, p. 73, 2018. Disponível em: https://brewingscience.de/index.php/brewingscience/article/view/269. Acesso em: 30 may. 2026.