@book { DerDeutschHereroKriegunddasVlkerrecht,
    title = "Der Deutsch-Herero-Krieg und das Völkerrecht",
    author = "Steffen {Eicker}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106647"
}