@Book{AST20090008434, title = "Curso de econom\'{\i}a pol\'{\i}tica", author = "Fl\'{o}rez Estrada, Alvaro, 1769-1853", publisher = "Madrid : Imprenta Nacional", editor = "Imprenta Nacional", URL = "https://bibliotecavirtual.asturias.es/i18n/consulta/registro.cmd?id=1619", year = "1848", }