@book { OntheThresholdoftheHolocaust,
    title = "On the Threshold of the Holocaust",
    author = "Tomasz {Szarota}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02440-1",
    url = "https://www.peterlang.com/document/1067577"
}