@book{21217,
	author = {Moreno Gutierrez ; Vladimir, Restrepo López Mauricio, },
	title = {Alfa 10 : },
	publisher = {Norma, },
	year = {1999},
	series = {Matematicas para educación básica secundaria y media vocacional},
	address = {Santafé de Bogotá : }
}