@Book{BVPB20080003203, title = "Carta instructiva", author = "Vargas, Antonio de", publisher = "Puerto de Santa Maria : por D. Luis de Luque y Leiva", editor = "por D. Luis de Luque y Leiva", URL = "https://bvpb.mcu.es/es/consulta/registro.do?id=398971", year = "1700", }