@book {9783962384630, 
	title = "Grüntöne",
	editor = "oekom e.V., ",
	isbn = "9783962384630",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783962384630",
	url = "https://content-select.com/de/portal/media/view/5a9a9458-9934-4c82-9eb3-6128b0dd2d03",
	publisher = "oekom verlag",
	language = "ger",
}