@book {9783960061106, 
	title = "Von der Nische in den Mainstream",
	isbn = "9783960061106",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783960061106",
	url = "https://content-select.com/de/portal/media/view/56d6acdc-2ff4-46b7-bb57-76b8b0dd2d03",
	publisher = "oekom verlag",
}