@book { Denkmalrecht,
    title = "Denkmalrecht",
    author = "Christian {Dietrich}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03689-3",
    url = "https://www.peterlang.com/document/1047888"
}