@book { TheEasternEuropeanOrderinthePolishPoliticalThoughtofthe20thCentury,
    title = "The Eastern European Order in the Polish Political Thought of the 20th Century",
    author = "Przemysław {Waingertner}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17723",
    url = "https://www.peterlang.com/document/1117822"
}