@book{5068,
	author = {Leontief, Wassily},
	title = {Análisis económico input-output},
	publisher = {Hyspámerica Ediciones Argentina},
	year = {1983},
	address = {Buenos Aires :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L128439.jpg}
}