ERICE LACABE, R. In memoriam Günter Ulbert (1930–2021). Madrider Mitteilungen, Berlin, v. 62, p. 598–603, 2021. DOI: 10.34780/hfdg-a6ce. Disponível em: https://publications.dainst.org/journals/mm/article/view/3672. Acesso em: 8 jan. 2025.