@book { Ichkannschonschlafen,
    title = "Ich kann schon schlafen!",
    author = "Caroline {Bechmann} and Dominique {Reimer}",
    year = "2022",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1273513"
}