@book { OralHistoryandtheWar,
    title = "Oral History and the War",
    author = "Piotr {Filipkowski}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14717",
    url = "https://www.peterlang.com/document/1063100"
}