@book { PilgertourismusanderViaSacra,
    title = "Pilgertourismus an der Via Sacra",
    subtitle = "Eine Chance für die gesamte Region?",
    author = "Andreas {Reithofer}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/226352"
}