@book { PrsidenteninpostkommunistischenLndern,
    title = "Präsidenten in postkommunistischen Ländern",
    author = "August {Pradetto} and Carola {Weckmüller}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097315"
}