@book { AktuelleHerausforderungendesVlkerrechts,
    title = "Aktuelle Herausforderungen des Völkerrechts",
    author = "Kirsten {Schmalenbach}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02016-8",
    url = "https://www.peterlang.com/document/1047162"
}