@book { FeiertagsschutzfrMinderheiten,
    title = "Feiertagsschutz für Minderheiten",
    author = "Andreas M. {Huber} and Horst Friedrich {Rolly}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101730"
}