ALGUACIL, F. J. The removal of toxic metals from liquid effluents by ion exchange resins. Part VI: Manganese(II)/H+/Lewatit K2621. Revista de Metalurgia, [S. l.], v. 54, n. 2, p. e116, 2018. DOI: 10.3989/revmetalm.116. Disponível em: https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/1430. Acesso em: 1 dec. 2022.