@book { Arbeitsmarktentwicklungundregulierung,
    title = "Arbeitsmarktentwicklung und -regulierung",
    author = "Stefan {Kolev} and Bernhard {Seliger} and Jüri {Sepp} and Ralph Michael {Wrobel}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13152",
    url = "https://www.peterlang.com/document/1056428"
}