FRANK-WALTER STEINMEIER, Federal President. Address on the opening Alexander von Humboldt Season in Quito, Ecuador, on 13 February 2019 (With an introduction by Ottmar Ette). HiN - Alexander von Humboldt im Netz. Internationale Zeitschrift für Humboldt-Studien, [S. l.], v. 20, n. 38, p. 23–30, 2019. DOI: 10.18443/283. Disponível em: https://www.hin-online.de/index.php/hin/article/view/283. Acesso em: 16 apr. 2024.