@book{134040,
	author = {Sbandi, Pio},
	title = {Psicología de grupos},
	publisher = {Editorial Herder},
	year = {1980.},
	series = {Biblioteca de psiocología},
	address = {Barcelona},
	edition = {2. ed.},
	note = {Translation of : Gruppenpsychologie, Einfuhrung in die Wirklichkeit der Gruppendynamik aus sozialpsychologischer Sicht.}
}