@book { BetrieblicheArbeitskampfregelungen,
    title = "Betriebliche Arbeitskampfregelungen",
    author = "Almut {Maulshagen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094115"
}