@book{15671,
	author = {Currea Roble, Jairo Alfonso and Cuervo Troncoso, Andrés},
	title = {Un paso a la izquierda :},
	publisher = {Ministerio de Defensa y Ejercito Nacional,},
	year = {2004.},
	address = {Bogotá :},
	edition = {1a ed.}
}