@book { Estrungen,
    title = "Eßstörungen",
    author = "Eva {Niederschmidt}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832446130",
    url = "https://m.diplom.de/document/220227"
}