@book { 1000Glckwnsche,
    title = "1000 Glückwünsche",
    subtitle = "Von der Taufe bis zur Goldenen Hochzeit",
    author = "Alexandra {Steiner}",
    year = "2010",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403457"
}