@book {9783818612184, 
	title = "Esel halten",
	author = "Hafner, Marisa AND Schmidt, Judith",
	isbn = "9783818612184",
	edition = "4",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783818612184",
	url = "https://content-select.com/de/portal/media/view/60067d58-8da0-4b47-820b-31dab0dd2d03",
	publisher = "Verlag Eugen Ulmer",
	language = "ger",
}