@book { UrbanPlanningLawunderEUInfluenceStdtebaurechtunterEUEinfluss,
    title = "Urban Planning Law under EU-Influence- Städtebaurecht unter EU-Einfluss",
    author = "Stephan {Mitschang}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108224"
}