@book { 100clevereTippsDigitalfotografie,
    title = "100 clevere Tipps: Digitalfotografie",
    subtitle = "Aufnahmetechnik, Bildgestaltung, Bildbearbeitung",
    author = "Tom! {Striewisch}",
    year = "2012",
    publisher = "humboldt",
    address = "Hannover, Germany",
    url = "https://schluetersche.openpublishing.com/document/403211"
}