SCHMIDT, R.; ANDEREGG, P.; BIENDL, M. Umweltkontaminanten in Hopfen. BrewingScience, [S. l.], v. 56, n. 5/6, p. 93–98, 2003. Disponível em: https://brewingscience.de/index.php/brewingscience/article/view/578. Acesso em: 30 may. 2026.