BATCHVAROV, V.; VELINOV, D.; MARINOVA, G. Perlite partial substitution of Kieselguhr for beer filtration. BrewingScience, [S. l.], v. 48, n. 11/12, p. 397–402, 1995. Disponível em: https://brewingscience.de/index.php/brewingscience/article/view/800. Acesso em: 28 sep. 2026.