@book { DieWallfahrtskircheMariaBirnbaumundihrebeidenBaumeister,
    title = "Die Wallfahrtskirche Maria Birnbaum und ihre beiden Baumeister",
    author = "Bernhard {Schütz}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1069487"
}