@book { BertoltBrechtsStrivingforReasonEveninMusic,
    title = "Bertolt Brecht's Striving for Reason, Even in Music",
    subtitle = "A Critical Assessment",
    author = "Michael John T. {Gilbert}",
    year = "1989",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1078368"
}