@book { SuchtkeinThemaimAlter,
    title = "Sucht - (k)ein Thema im Alter",
    author = "Maria {Vögtle, geb. Lais}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832415013",
    url = "https://m.diplom.de/document/217348"
}