@book { DerHitlerStalinPakt,
    title = "Der Hitler-Stalin-Pakt",
    subtitle = "Eine völkerrechtliche Studie",
    author = "Gilbert {Gornig}",
    year = "1990",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1077972"
}