@book { FamiliesandFamilyPoliciesinEurope,
    title = "Families and Family Policies in Europe",
    author = "Astrid {Pfenning} and Thomas {Bahle}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1091522"
}