@book { DerFremdealsBereicherung,
    title = "Der Fremde als Bereicherung",
    author = "Matthias Theodor {Vogt} and Jan {Sokol} and Dieter {Bingen} and Jürgen {Neyer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1135449"
}