@book { EuropeanPerspectivesonElderlyPeopleltereMenschenauseuropischenBlickwinkeln,
    title = "European Perspectives on Elderly People- Ältere Menschen aus europäischen Blickwinkeln",
    author = "Bengt {Eriksson} and Jürgen {Wolf}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099016"
}