@book { PolitischeInstitutionenundSozialpolitikinderSchweiz,
    title = "Politische Institutionen und Sozialpolitik in der Schweiz",
    author = "Herbert {Obinger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1087009"
}