@book {9783818612634, 
	title = "Arbeitsblätter Landtechnik 2",
	author = "Barten, Juliane",
	isbn = "9783818612634",
	edition = "2",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783818612634",
	url = "https://content-select.com/de/portal/media/view/5fff1b48-2b3c-4662-86b7-678cb0dd2d03",
	publisher = "Verlag Eugen Ulmer",
	language = "ger",
}