@book { TourismusimMostviertel,
    title = "Tourismus im Mostviertel",
    author = "Regina {Leuchtenmüller}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832451097",
    url = "https://m.diplom.de/document/220637"
}