@book{113200,
	author = {Selvini Palazzoli, Mara},
	title = {Paradoja y contraparadoja},
	publisher = {Ediciones Paidos},
	year = {1998.},
	series = {Terapia familiar},
	address = {Barcelona},
	note = {Translation of: Paradoso e contraparadosso. (Chapter 17 and 18)}
}