@book{13673,
	author = {Watzlawick, Paul,},
	title = {Es real la realidad?},
	publisher = {Editorial Herder},
	year = {1986.},
	series = {Biblioteca de psicologia},
	address = {Barcelona},
	edition = {3. ed.},
	note = {Translation of : Wie wirlich ist die Wirklichkeit?}
}