@book{24836,
	author = {Barragan Leòn, Sergio and Barragan Leòn Sergio},
	title = {¿Que se esconde tras la puerta? /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2009},
	address = {Bogotá (Colombia) :},
	edition = {                   }
}