@book { KriegsgefangeneimErstenWeltkrieg,
    title = "Kriegsgefangene im Ersten Weltkrieg",
    author = "Benoit {Niederkorn}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656560685",
    url = "https://www.hausarbeiten.de/document/264837"
}