@book { DasnonliquetimffentlichenBaurecht,
    title = "Das «non liquet» im öffentlichen Baurecht",
    author = "Stefan {Wernitz}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105299"
}