@book { LesenundLesenlernen,
    title = "Lesen und Lesenlernen",
    author = "Stephanie {Müller}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832478117",
    url = "https://m.diplom.de/document/223077"
}