@book { NationalityPlanningundTreatyShoppingimInternationalenInvestitionsrecht,
    title = "Nationality Planning und Treaty Shopping im Internationalen Investitionsrecht",
    author = "Sange {Addison-Agyei}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02035-9",
    url = "https://www.peterlang.com/document/1047155"
}