@book { VisuellesFramingvonAlter,
    title = "Visuelles Framing von Alter",
    subtitle = "Eine empirische Studie zur medialen Konstruktion von Alter",
    author = "Saskia Valeska {Bruckner}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106795"
}