@book { TarifvertrgeundandereKoalitionsvertrge,
    title = "Tarifverträge und andere Koalitionsverträge",
    author = "Myriam {Boeck}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101641"
}