@book {9783621285155, 
	title = "Dynamik in Gruppen",
	author = "Stahl, Eberhard",
	isbn = "9783621285155",
	year = "2017",
	edition = "4",
	keywords = "Kommunikation, Persönlichkeit, Gruppe, Gruppenarbeit, Gruppenleiter",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783621285155",
	url = "https://content-select.com/de/portal/media/view/58c3ce8a-757c-498b-adec-6061b0dd2d03",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}