@book {9783407291028, 
	title = "Zeit in Schule und Unterricht",
	author = "Drews, Ursula",
	isbn = "9783407291028",
	year = "2008",
	edition = "1",
	keywords = "Rhythmisierung, Unterrichtstempo, Biorhythmus",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407291028",
	url = "https://content-select.com/de/portal/media/view/519cc178-4a78-41a9-a17b-253d5dbbeaba",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}