@book {9783966456128, 
	title = "Das 1x1 der Erholung",
	isbn = "9783966456128",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783966456128",
	url = "https://content-select.com/de/portal/media/view/62309ae7-f660-4022-901d-1679b0dd2d03",
	publisher = "BMU Verlag",
}