@book { KinderarmutinDeutschland,
    title = "Kinderarmut in Deutschland",
    author = "Peter {Niemeier}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638494809",
    url = "https://www.hausarbeiten.de/document/54228"
}