@book{78268,
	author = {Frankl, Viktor E. and Villanueva Salas, Marciano,},
	title = {Ante el vacío existencial :},
	publisher = {Herder Editorial,},
	year = {2003.},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/61077/}
}