@book { UkraineataCrossroads,
    title = "Ukraine at a Crossroads",
    author = "Nicolas {Hayoz} and Andrej N. {Lushnycky}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098796"
}