@book {9783407224934, 
	title = "Gewalt an Schulen",
	author = "Hurrelmann, Klaus AND Bründel, Heidrun",
	isbn = "9783407224934",
	year = "2008",
	edition = "2",
	keywords = "Angst, Gewalt, Schule, Jugend, Konflikt, Soziale Kompetenz, Aggression, Gewaltprävention",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407224934",
	url = "https://content-select.com/de/portal/media/view/519cc127-aec8-46e1-bb3a-25385dbbeaba",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}