@book {9783816984412, 
	title = "Verzahntechnik",
	isbn = "9783816984412",
	edition = "5",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783816984412",
	url = "https://content-select.com/de/portal/media/view/5b56fc21-37a8-4cf5-aa53-5d67b0dd2d03",
	publisher = "expert verlag",
}