@book { InternatSternenfelsBand2DieSuperhexen,
    title = "Internat Sternenfels - Band 2: Die Superhexen",
    author = "Sissi {Flegel}",
    year = "2016",
    publisher = "jumpbooks",
    address = "München, Deutschland",
    url = "https://m.jumpbooks.de/document/318548"
}