@book { DiePrinciplesonHousingandPropertyRestitutionforRefugeesandDisplacedPersonsderVereintenNationen,
    title = "Die «Principles on Housing and Property Restitution for Refugees and Displaced Persons» der Vereinten Nationen",
    author = "Niklas {Keller}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106895"
}