@book {9783497610013, title = "Lachen ist die beste Medizin", author = "Zeller, Uli", isbn = "9783497610013", keywords = "Pflege, Demenz, Vorlesegeschichten, Vorlesen, DEMENZGESCHICHTEN", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783497610013", url = "https://content-select.com/de/portal/media/view/5b56fc21-8b64-4af5-a555-5d67b0dd2d03", publisher = "Ernst Reinhardt Verlag", language = "ger", }