@book { DieGrundschulDetektiveBand1KlassensprecherderSpitzenklasse,
    title = "Die Grundschul-Detektive - Band 1: Klassensprecher der Spitzenklasse",
    author = "Sissi {Flegel}",
    year = "2016",
    publisher = "jumpbooks",
    address = "München, Deutschland",
    url = "https://www.jumpbooks.de/document/318554"
}