Martín, Alfredo Mederos. 2025. “Hugo Obermaier, First Professor of Prehistory at the University of Madrid (1922‑1939) and the Beginning of Stratigraphic Archaeology in Spain: DOI: 10.5281 Zenodo.15005735”. Estudos Arqueológicos De Oeiras 35 (April):355‑422. https://eao.oeiras.pt/index.php/DOC/article/view/431.