@book{11968,
	author = {Frankl, Viktor E. and Crumbaugh, James C.,   Gerz, Hans O.,    Maholick, Leonard T.,   Martínez Riu, Antoni},
	title = {Psicoterapia y existencialismo :},
	publisher = {Herder, },
	year = {2003},
	address = {Barcelona :},
	edition = {2a ed.}
}