@book { Partnersuche60,
    title = "Partnersuche Ü60",
    subtitle = "Flirten, verabreden und glücklich bleiben. So finden Sie den passenden Mann.",
    author = "Andrea {Micus}",
    year = "2015",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403282"
}