@book { MdchenimJugendalterundpltzlicherVatertod,
    title = "Mädchen im Jugendalter und plötzlicher Vatertod",
    author = "Janine {Scherer}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836604505",
    url = "https://m.diplom.de/document/228954"
}