@book { HaftungvonSuchmaschinenbetreibern,
    title = "Haftung von Suchmaschinenbetreibern",
    author = "Armin {Kühne}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02269-8",
    url = "https://www.peterlang.com/document/1046001"
}