@book { PhnomenologiederPraxis,
    title = "Phänomenologie der Praxis",
    subtitle = "Zur Dialektik der Freiheit",
    author = "Gregory {Fuller}",
    year = "1982",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072447"
}