The Humboldt Digital Library: Exploring Innovative Structures . HiN – Alejandro de Humboldt en la Red. Revista internacional de estudios humboldtianos, [S. l.], v. 6, n. 10, p. 30–34, 2005. DOI: 10.18443/58. Disponível em: https://www.hin-online.de/index.php/hin/article/view/58. Acesso em: 28 mar. 2026.