@book { DergemeindlicheHauptausschussimLandNordrheinWestfalen,
    title = "Der gemeindliche Hauptausschuss im Land Nordrhein-Westfalen",
    author = "Markus {Kremer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097807"
}