@book { PassioNovaDasOberammergauerPassionsspielvon1750,
    title = "Passio Nova. Das Oberammergauer Passionsspiel von 1750",
    author = "",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1069690"
}