HERNÁNDEZ SABOGAL, Marcela; ESPITIA ECHEVERRÍA, Carlos Julio; QUINTERO PÉREZ, Javier C. Optimization study of the variables involved in the production, at laboratory scale, of magnesium sulfate from magnesites from Valle del Cauca and Magdalena. Boletín Geológico, [S. l.], v. 36, n. 1-3, p. 41–97, 1997. DOI: 10.32685/0120-1425/bolgeol36.1-3.1997.186. Disponível em: https://revistas.sgc.gov.co/index.php/boletingeo/article/view/186. Acesso em: 9 nov. 2026.