@book {9783769136791, 
	title = "Einführung in die Zahnerhaltung",
	author = "Hellwig, Elmar AND Schäfer, Edgar AND Klimek, Joachim AND Attin, Thomas",
	isbn = "9783769136791",
	edition = "7",
	keywords = "Lehrbuch, Zahnmedizinstudium, Parodontologie, Endontologie, Kariologie, Zahnerhaltung",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783769136791",
	url = "https://content-select.com/de/portal/media/view/5ec64800-8704-4ff3-b46f-26c2b0dd2d03",
	publisher = "Deutscher Ärzteverlag",
	language = "ger",
}