@book { DieTariffhigkeitderGewerkschaft,
    title = "Die Tariffähigkeit der Gewerkschaft",
    author = "Kristin {Doerlich}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093355"
}