@book{4259,
	author = {Sánchez Fernández, Jesús and Johnston, Jack},
	title = {Métodos de econometría},
	publisher = {Vicens-Vives},
	year = {1984},
	address = {Barcelona :},
	edition = {2a. reimp.},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L127358.jpg}
}