@book { ZuErichKstnerPnktchenundAnton,
    title = "Zu: Erich Kästner - Pünktchen und Anton",
    author = "",
    year = "2005",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638431187",
    url = "https://www.hausarbeiten.de/document/45770"
}