@book { SerbskiludowyansamblSorbischesNationalEnsemble,
    title = "Serbski ludowy ansambl / Sorbisches National-Ensemble",
    author = "Matthias Theodor {Vogt}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106634"
}