@book { ComposersUnionsandCulturalPolicyinStateSocialistCountriesinthe1950sand1960s,
    title = "Composers’ Unions and Cultural Policy in State Socialist Countries in the 1950s and 1960s",
    author = "Rüdiger {Ritter} and Lenka {Křupková}",
    year = "2026",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b23398",
    url = "https://www.peterlang.com/document/1619302"
}