@book{7655,
	author = {Jaramillo Jaramillo, Justo Pastor, and Calle Bernal, Claudia Azucena,},
	title = {Ecología y medio ambiente :},
	publisher = {Fondo editorial Politecnico Colombiano. Jaime Isaza Cadavid,},
	year = {2014.},
	address = {Medellín :},
	edition = {Primera edición.}
}