@book { SozialstaatlicheRentenreformeninLateinamerika,
    title = "Sozialstaatliche Rentenreformen in Lateinamerika?",
    author = "Helmut {Schwarzer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095462"
}