@book {9783170341876, 
	title = "Schlaf und Schlafstörungen im höheren Lebensalter",
	author = "Frohnhofen, Helmut AND Netzer, Nikolaus",
	isbn = "9783170341876",
	year = "2019",
	edition = "1",
	keywords = "Geriatrie, Geriatrische Grundlagen, Altersmedizin",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783170341876",
	url = "https://content-select.com/de/portal/media/view/5e4cfb00-b4a4-4628-a7d6-0b66b0dd2d03",
	publisher = "W. Kohlhammer Verlag",
	language = "ger",
}