@book { DieEntwicklungdesRechtsdesTarifvertragsinDeutschland,
    title = "Die Entwicklung des Rechts des Tarifvertrags in Deutschland",
    author = "Martin {Dreschers}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1115249"
}