@book{99029,
	author = {Kamen, Henry A.,  and Balseiro Fernández-Campoamor, María Luisa,  },
	title = {El siglo de hierro : },
	publisher = {Alianza Editorial,},
	year = {1977      },
	series = {Colección Alianza universidad, },
	address = {Madrid :},
	note = {Título original : Iron Century: social change in Europe, 1550-1660.}
}