MALAVASSI, Eduardo; BARQUERO, Jorge. Vulcanological research at the Faculty of Earth and Sea Sciences of the National University. Tropical Journal of Environmental Sciences, [S. l.], v. 1, n. 1, p. 115–117, 1980. DOI: 10.15359/rca.1-1.16. Disponível em: https://www.revistas.una.ac.cr/index.php/ambientales/article/view/13166.. Acesso em: 30 jun. 2024.