@book { DerImmaterialgterschutzvirtuellerLadengeschfte,
    title = "Der Immaterialgüterschutz virtueller Ladengeschäfte",
    author = "Sylvia {Lorenz}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03471-4",
    url = "https://www.peterlang.com/document/1047749"
}