@book { PirateWaves,
    title = "Pirate Waves",
    subtitle = "Polish Private Radio Broadcasting in the Period of Transformation 1989–1995",
    author = "Urszula {Doliwa}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19336",
    url = "https://www.peterlang.com/document/1168288"
}