@book { HeierSommerCooleBeats,
    title = "Heißer Sommer – Coole Beats",
    subtitle = "Zur populären Musik und ihren medialen Repräsentationen in der DDR",
    author = "Sascha {Trültzsch} and Thomas {Wilke}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106758"
}