@book {9783749502721, 
	title = "Die Partnerschule",
	author = "Sanders, Rudolf",
	isbn = "9783749502721",
	year = "2022",
	edition = "1",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783749502721",
	url = "https://content-select.com/de/portal/media/view/63bd0d1c-26f8-453b-917b-4becac1b0004",
	publisher = "Junfermann Verlag",
	language = "ger",
}