@book { DiePersonunddieUnbestimmbarkeitihrerGrenzen,
    title = "Die Person und die Unbestimmbarkeit ihrer Grenzen",
    author = "Bert {Gordijn}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1083038"
}