@book {9783407631756, 
	title = "Jugendliche in den Sekundarstufen",
	author = "Eikenbusch, Gerhard",
	isbn = "9783407631756",
	year = "2019",
	edition = "1",
	keywords = "Jugend, Adoleszenz, Jugendkultur, Pubertät, Heterogenität, Differenzierung, Lebensalter, Lebensphase, Schülerorientierung, Aufgabenkultur, Lebensabschnitt, Jugendgeneration, individueller Unterricht",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407631756",
	url = "https://content-select.com/de/portal/media/view/5c84e9c9-9ad8-46bf-80fc-646eb0dd2d03",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}