@book { TheDarkSidesoftheInternet,
    title = "The Dark Sides of the Internet",
    author = "Roland {Heickerö}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02502-6",
    url = "https://www.peterlang.com/document/1046140"
}