@book { DasFuturumderpolnischenVerba,
    title = "Das Futurum der polnischen Verba",
    author = "Helmut {Mönke}",
    year = "2012",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12189",
    url = "https://www.peterlang.com/document/1067441"
}