@book{4350,
	author = {Pellissa, Octavi and Hardach, Gerd},
	title = {La primera guerra mundial 1914-1918},
	publisher = {Crítica},
	year = {1986},
	address = {Barcelona :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L127486.jpg}
}