@book { ZweiAufstnde,
    title = "Zwei Aufstände",
    subtitle = "Die Schlacht um Lemberg 1918",
    author = "Damian {Markowski}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17930",
    url = "https://www.peterlang.com/document/1117825"
}