@Book{FIL20150009388, title = "The Island of Cuba", author = "Humboldt, Alexander von, 1769-1859. Essai politique sur l\textquotesingle ile de Cuba. 1826. Ingl\'{e}s", URL = "http://www.larramendi.es/es/consulta/registro.do?id=18921", year = "2014", }