@book { 1000LgenundeineWahrheitzurLiebe,
    title = "1000 Lügen und eine Wahrheit zur Liebe",
    author = "Carmen {Ullrich}",
    year = "2017",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1285169"
}