@book { DerFremdenverkehrimLakeDistrictNationalpark,
    title = "Der Fremdenverkehr im Lake District Nationalpark",
    subtitle = "Strukturmerkmale, Freizeitverhalten, Umweltkonflikte",
    author = "Marion {Bienert}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/216114"
}