@book{21241,
	author = {Charry Ariza, Hernando and Santana, Millos Gabriel},
	title = {Bogotá Ecologica /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2011.},
	address = {Bogotá (Colombia) :},
	edition = {                   }
}