@book { PopularMusicinCommunistandPostCommunistEurope,
    title = "Popular Music in Communist and Post-Communist Europe",
    author = "Jan {Blüml} and Yvetta {Kajanová} and Rüdiger {Ritter}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15374",
    url = "https://www.peterlang.com/document/1110834"
}