SCHUBART, H. Die kupferzeitliche Befestigung von Columbeira, Portugal. Madrider Mitteilungen, Berlin, v. 11, p. 59–73, 2021. DOI: 10.34780/87sc-d6d2. Disponível em: https://publications.dainst.org/journals/mm/article/view/3372. Acesso em: 15 jan. 2025.