@book { DieextraterritorialeKommunalwirtschaft,
    title = "Die extraterritoriale Kommunalwirtschaft",
    author = "Katja {Eisenblätter}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103439"
}