@book{4278,
	author = {Pascual, Jordi and Krugman, Paul R.},
	title = {El teórico accidental},
	publisher = {Crítica},
	year = {1999},
	address = {Barcelona :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L127382.jpg}
}