@book { HilfsangebotefrScheidungskinder,
    title = "Hilfsangebote für Scheidungskinder",
    author = "Karin {Gerstner}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832459192",
    url = "https://m.diplom.de/document/221372"
}