@book { DieImmunittrationepersonaedesSouverns,
    title = "Die Immunität «ratione personae» des Souveräns",
    author = "Donald {Riznik}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06988-4",
    url = "https://www.peterlang.com/document/1050593"
}