@book { PublicFinancingofPublicServiceBroadcastinganditsQualificationasStateAid,
    title = "Public Financing of Public Service Broadcasting and its Qualification as State Aid",
    author = "Benjamin {Linke}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05964-9",
    url = "https://www.peterlang.com/document/1049574"
}