@book { InternationalesPrivatrechtUrheberrechtundInternet,
    title = "Internationales Privatrecht, Urheberrecht und Internet",
    author = "Philipp D. {Bollacher}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1098392"
}