@Misc{BVPB20100039960, title = "Jur\'{a}sico [Material gr\'{a}fico proyectable]", publisher = "Stuttgart : Th. Benzinger Lichtbilderverlag", editor = "Th. Benzinger Lichtbilderverlag", series = "(Geolog\'{\i}a ; 6)", URL = "https://bvpb.mcu.es/es/consulta/registro.do?id=418796", year = "1922", }