@book { MagischeElternrealitt14,
    title = "Magische Elternrealität 1-4",
    author = "Rega {Kerner} and Nicole {Fabert}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1390411"
}