@book{21286,
	author = {González Ardila, Jeniffer Fernanda and Ríos Castro, Gustavo Adolfo},
	title = {Calentamiento global /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2010.},
	address = {Bogotá (Colombia) :},
	edition = {                   }
}