@book { DerWettstreitderRechtsordnungen,
    title = "Der Wettstreit der Rechtsordnungen",
    author = "Anne-Kathrin {Drettmann}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108450"
}