@book { BetsyBlaumeiseerkundetdieWelt,
    title = "Betsy Blaumeise erkundet die Welt",
    author = "Mara {Kreimeier} and Maylin {Maurer} and Marita {Kaesbach} and Laura {Pelzer}",
    year = "2015",
    publisher = "Uksak E-Books",
    address = "Lengerich, Deutschland",
    url = "https://uksakebooks.grin.com/document/313035"
}