@book { TargetedKilling,
    title = "Targeted Killing",
    subtitle = "Die völkerrechtliche Zulässigkeit der gezielten Tötung von Terroristen im Ausland",
    author = "Heiko {Schmitz-Elvenich}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105146"
}