@book {9783784122663, 
	title = "Arbeit mit Gruppen",
	author = "Metzinger, Adalbert",
	isbn = "9783784122663",
	edition = "2",
	keywords = "Soziale Arbeit, Gruppenarbeit, adalbert metzinger, soziale Arbeit mit Gruppen",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783784122663",
	url = "https://content-select.com/de/portal/media/view/51a77548-4eb4-4ec7-be71-73a0bc5d09ee",
	publisher = "Lambertus Verlag",
	language = "ger",
}