@book {9783846761465, 
	title = "Observieren und Aufschreiben",
	isbn = "9783846761465",
	edition = "1",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783846761465",
	url = "https://content-select.com/de/portal/media/view/5a96975b-6ce4-4c5b-b903-376cb0dd2d03",
	publisher = "Wilhelm Fink Verlag",
}