@book{126067,
	author = {Northfield, Wilfrid.},
	title = {Cómo dominar la tensión nerviosa},
	publisher = {Ediciones Lidiun},
	year = {c1984.},
	series = {Manual de psicología práctica},
	address = {Buenos Aires},
	edition = {3d ed.},
	note = {Spanish translation of: Conquering nervous tension.}
}