@book {9783497604692, 
	title = "Kontextoptimierung im Unterricht",
	author = "Berg, Margit",
	isbn = "9783497604692",
	edition = "3",
	keywords = "Grammatik, KONTEXTOPTIMIERUNG, SPRACHFÖRDERUNG",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783497604692",
	url = "https://content-select.com/de/portal/media/view/5aaa511f-5744-47de-a74c-39d1b0dd2d03",
	publisher = "Ernst Reinhardt Verlag",
	language = "ger",
}