@book { KREATIVSCHLEMMENjetztEisselbermachen,
    title = "KREATIV SCHLEMMEN - jetzt Eis selber machen!",
    author = "Leonardo Oliver {Bassard}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1022180"
}