@phdthesis{Fabo1997,
  author    = {Fabo, Sabine},
  title     = {Joyce und Beuys : ein intermedialer Dialog},
  publisher = {Winter},
  address   = {Heidelberg},
  isbn      = {3-8253-0376-4},
  pages     = {236 S. : Ill.},
  year      = {1997},
  language  = {de}
}
@phdthesis{Ritz2004,
  author    = {Ritz, Thomas},
  title     = {Die werkzeuggest{\"u}tzte Produktion von personalisierten Informationsdienstleistungen. - (IPA-IAO Forschung und Praxis ; 389)},
  publisher = {Jost-Jetter},
  address   = {Heimsheim},
  isbn      = {3-936947-23-6},
  pages     = {151 S. : Ill., graph. Darst.},
  year      = {2004},
  language  = {de}
}