@book{124552,
	author = {Grinberg, Leon. and Langer, Marie.},
	title = {Psicoterapía del grupo},
	publisher = {Paidos},
	year = {1977.},
	series = {Biblioteca de psiquiatría, psicopatología y psicosomática},
	address = {Buenos Aires},
	edition = {5a ed.},
	note = {Includes index.}
}