@book { MarktabgrenzunginZeitenderMedienkonvergenz,
    title = "Marktabgrenzung in Zeiten der Medienkonvergenz",
    author = "Marten {Hinrichsen}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06815-3",
    url = "https://www.peterlang.com/document/1109717"
}