@book { LandschaftsfotografieWildesDeutschland,
    title = "Landschaftsfotografie „Wildes Deutschland“",
    author = "Radomir {Jakubowski}",
    year = "2021",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1027349"
}