@book{67057,
	author = {Unamuno, Miguel de, and López Molina, Antonio M.,},
	title = {Del sentimiento trágico de la vida :},
	publisher = {Biblioteca Nueva,},
	year = {1999.},
	series = {Clásicos del pensamiento;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/4557/}
}