@book {9783497603794, title = "Validation", author = "Feil, Naomi AND de Klerk-Rubin, Vicki", isbn = "9783497603794", edition = "11", keywords = "Alter, Altenpflege, Gerontologie, Demenz, Validation, ALTENPSYCHIATRIE, FEIL", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783497603794", url = "https://content-select.com/de/portal/media/view/58c7ba79-1628-4cf4-9fc5-4d7db0dd2d03", publisher = "Ernst Reinhardt Verlag", language = "ger", }