@book{17877,
	author = {Durán Naranjo, Jaime and Durán Naranjo, Eduardo},
	title = {Conserva tu planeta (Guia ambiental de primaria) / },
	publisher = {Grupo editorial Durán,},
	year = {2011?},
	address = {Bogotá (Colombia) :},
	edition = {Primera edición}
}