@book { BessereFotosmitderSONYa7Reihealpha7IIIalpha7RIValpha7SIIihreVorgnger,
    title = "Bessere Fotos mit der SONY a7-Reihe  | alpha 7 III / alpha 7R IV / alpha 7S II & ihre Vorgänger",
    author = "Manuel {Quarta} and Stefan {Gericke}",
    year = "2020",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/924936"
}