@book{2449,
	author = {Harvey, Andrew C.},
	title = {The econometric analysis of time series},
	publisher = {The MIT Press},
	year = {1990},
	address = {Cambridge :},
	edition = {2a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/econometric.jpg}
}