BALTUILLE MARTÍN, J. M.; SCHNELL QUIERTANT, P.; RUBIO PASCUAL, F. J. Landscape, geology and defensive architecture of the Spanish Civil War in the SW sector of the Guadarrama Range. A new methodology for geological-archaeological research. Boletín Geológico y Minero, [S. l.], v. 131, n. 4, p. 539–557, 2020. DOI: 10.21701/bolgeomin.131.4.002. Disponível em: https://bgm.revistas.csic.es/index.php/bgm/article/view/83. Acesso em: 3 may. 2025.