@book{61554,
	author = {Altez, Rogelio,},
	title = {A duras penas :},
	publisher = {Consejo Superior de Investigaciones Científicas,},
	year = {2022.},
	series = {Estudios americanos. Perspectivas ;},
	address = {Madrid :},
	url = {https://elibro.net/ereader/politecnicointernacional/220028}
}