@book { SuchtbeilterenMenschen,
    title = "Sucht bei älteren Menschen",
    author = "Renate {Dröse}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832415563",
    url = "https://m.diplom.de/document/217398"
}