@Misc{BVMC:233040, author = {Almagro Basch, Martín}, title = {Exploración de los primeros sepulcros megalíticos aragoneses}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2006}, year = {2006}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc9k4q8} }