@book { EuropeintheInternationalOrder,
    title = "Europe in the International Order",
    author = "Roman {Kuźniar}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14256",
    url = "https://www.peterlang.com/document/1068057"
}