@book{24311,
	author = {Negro, Adolfo and Zorio Blanco, Valeriano},
	title = {Iniciación al mundo científico, matemáticas /},
	publisher = {Alhambra,},
	year = {1982.},
	series = {Proyecto MT-62 Alhambra},
	address = {Madrid :},
	edition = {3 ed.}
}