@book {9783818609092, 
	title = "Agrarwirtschaft Grundstufe Landwirt",
	author = "Lochner, Horst AND Breker, Johannes",
	isbn = "9783818609092",
	edition = "6",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783818609092",
	url = "https://content-select.com/de/portal/media/view/5c7e5030-b3dc-45e4-b561-20a4b0dd2d03",
	publisher = "Verlag Eugen Ulmer",
	language = "ger",
}